Remove SLAB_CTOR_CONSTRUCTOR

SLAB_CTOR_CONSTRUCTOR is always specified. No point in checking it.

Signed-off-by: Christoph Lameter <clameter@sgi.com>
Cc: David Howells <dhowells@redhat.com>
Cc: Jens Axboe <jens.axboe@oracle.com>
Cc: Steven French <sfrench@us.ibm.com>
Cc: Michael Halcrow <mhalcrow@us.ibm.com>
Cc: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
Cc: Miklos Szeredi <miklos@szeredi.hu>
Cc: Steven Whitehouse <swhiteho@redhat.com>
Cc: Roman Zippel <zippel@linux-m68k.org>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: Dave Kleikamp <shaggy@austin.ibm.com>
Cc: Trond Myklebust <trond.myklebust@fys.uio.no>
Cc: "J. Bruce Fields" <bfields@fieldses.org>
Cc: Anton Altaparmakov <aia21@cantab.net>
Cc: Mark Fasheh <mark.fasheh@oracle.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Jan Kara <jack@ucw.cz>
Cc: David Chinner <dgc@sgi.com>
Cc: "David S. Miller" <davem@davemloft.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

arch/powerpc/platforms/cell/spufs/inode.c

@@ -71,9 +71,7 @@ spufs_init_once(void *p, struct kmem_cache * cachep, unsigned long flags)
 {
 	struct spufs_inode_info *ei = p;
 
-	if (flags & SLAB_CTOR_CONSTRUCTOR) {
-		inode_init_once(&ei->vfs_inode);
-	}
+	inode_init_once(&ei->vfs_inode);
 }
 
 static struct inode *

drivers/mtd/ubi/eba.c

@@ -940,9 +940,6 @@ static void ltree_entry_ctor(void *obj, struct kmem_cache *cache,
 {
 	struct ltree_entry *le = obj;
 
-	if (flags & SLAB_CTOR_CONSTRUCTOR)
-		return;
-
 	le->users = 0;
 	init_rwsem(&le->mutex);
 }

fs/adfs/super.c

@@ -232,8 +232,7 @@ static void init_once(void * foo, struct kmem_cache * cachep, unsigned long flag
 {
 	struct adfs_inode_info *ei = (struct adfs_inode_info *) foo;
 
-	if (flags & SLAB_CTOR_CONSTRUCTOR)
-		inode_init_once(&ei->vfs_inode);
+	inode_init_once(&ei->vfs_inode);
 }
  
 static int init_inodecache(void)

fs/affs/super.c

@@ -87,11 +87,9 @@ static void init_once(void * foo, struct kmem_cache * cachep, unsigned long flag
 {
 	struct affs_inode_info *ei = (struct affs_inode_info *) foo;
 
-	if (flags & SLAB_CTOR_CONSTRUCTOR) {
-		init_MUTEX(&ei->i_link_lock);
-		init_MUTEX(&ei->i_ext_lock);
-		inode_init_once(&ei->vfs_inode);
-	}
+	init_MUTEX(&ei->i_link_lock);
+	init_MUTEX(&ei->i_ext_lock);
+	inode_init_once(&ei->vfs_inode);
 }
 
 static int init_inodecache(void)

fs/afs/super.c

@@ -451,17 +451,15 @@ static void afs_i_init_once(void *_vnode, struct kmem_cache *cachep,
 {
 	struct afs_vnode *vnode = _vnode;
 
-	if (flags & SLAB_CTOR_CONSTRUCTOR) {
-		memset(vnode, 0, sizeof(*vnode));
-		inode_init_once(&vnode->vfs_inode);
-		init_waitqueue_head(&vnode->update_waitq);
-		mutex_init(&vnode->permits_lock);
-		mutex_init(&vnode->validate_lock);
-		spin_lock_init(&vnode->writeback_lock);
-		spin_lock_init(&vnode->lock);
-		INIT_LIST_HEAD(&vnode->writebacks);
-		INIT_WORK(&vnode->cb_broken_work, afs_broken_callback_work);
-	}
+	memset(vnode, 0, sizeof(*vnode));
+	inode_init_once(&vnode->vfs_inode);
+	init_waitqueue_head(&vnode->update_waitq);
+	mutex_init(&vnode->permits_lock);
+	mutex_init(&vnode->validate_lock);
+	spin_lock_init(&vnode->writeback_lock);
+	spin_lock_init(&vnode->lock);
+	INIT_LIST_HEAD(&vnode->writebacks);
+	INIT_WORK(&vnode->cb_broken_work, afs_broken_callback_work);
 }
 
 /*

fs/befs/linuxvfs.c

@@ -292,10 +292,8 @@ befs_destroy_inode(struct inode *inode)
 static void init_once(void * foo, struct kmem_cache * cachep, unsigned long flags)
 {
         struct befs_inode_info *bi = (struct befs_inode_info *) foo;
-	
-	        if (flags & SLAB_CTOR_CONSTRUCTOR) {
-			inode_init_once(&bi->vfs_inode);
-		}
+
+	inode_init_once(&bi->vfs_inode);
 }
 
 static void

fs/bfs/inode.c

@@ -248,8 +248,7 @@ static void init_once(void * foo, struct kmem_cache * cachep, unsigned long flag
 {
 	struct bfs_inode_info *bi = foo;
 
-	if (flags & SLAB_CTOR_CONSTRUCTOR)
-		inode_init_once(&bi->vfs_inode);
+	inode_init_once(&bi->vfs_inode);
 }
  
 static int init_inodecache(void)

fs/block_dev.c

@@ -458,17 +458,15 @@ static void init_once(void * foo, struct kmem_cache * cachep, unsigned long flag
 	struct bdev_inode *ei = (struct bdev_inode *) foo;
 	struct block_device *bdev = &ei->bdev;
 
-	if (flags & SLAB_CTOR_CONSTRUCTOR) {
-		memset(bdev, 0, sizeof(*bdev));
-		mutex_init(&bdev->bd_mutex);
-		sema_init(&bdev->bd_mount_sem, 1);
-		INIT_LIST_HEAD(&bdev->bd_inodes);
-		INIT_LIST_HEAD(&bdev->bd_list);
+	memset(bdev, 0, sizeof(*bdev));
+	mutex_init(&bdev->bd_mutex);
+	sema_init(&bdev->bd_mount_sem, 1);
+	INIT_LIST_HEAD(&bdev->bd_inodes);
+	INIT_LIST_HEAD(&bdev->bd_list);
 #ifdef CONFIG_SYSFS
-		INIT_LIST_HEAD(&bdev->bd_holder_list);
+	INIT_LIST_HEAD(&bdev->bd_holder_list);
 #endif
-		inode_init_once(&ei->vfs_inode);
-	}
+	inode_init_once(&ei->vfs_inode);
 }
 
 static inline void __bd_forget(struct inode *inode)

fs/buffer.c

@@ -2898,8 +2898,9 @@ static void recalc_bh_state(void)
 	
 struct buffer_head *alloc_buffer_head(gfp_t gfp_flags)
 {
-	struct buffer_head *ret = kmem_cache_alloc(bh_cachep, gfp_flags);
+	struct buffer_head *ret = kmem_cache_zalloc(bh_cachep, gfp_flags);
 	if (ret) {
+		INIT_LIST_HEAD(&ret->b_assoc_buffers);
 		get_cpu_var(bh_accounting).nr++;
 		recalc_bh_state();
 		put_cpu_var(bh_accounting);
@@ -2918,17 +2919,6 @@ void free_buffer_head(struct buffer_head *bh)
 }
 EXPORT_SYMBOL(free_buffer_head);
 
-static void
-init_buffer_head(void *data, struct kmem_cache *cachep, unsigned long flags)
-{
-	if (flags & SLAB_CTOR_CONSTRUCTOR) {
-		struct buffer_head * bh = (struct buffer_head *)data;
-
-		memset(bh, 0, sizeof(*bh));
-		INIT_LIST_HEAD(&bh->b_assoc_buffers);
-	}
-}
-
 static void buffer_exit_cpu(int cpu)
 {
 	int i;
@@ -2955,12 +2945,8 @@ void __init buffer_init(void)
 {
 	int nrpages;
 
-	bh_cachep = kmem_cache_create("buffer_head",
-					sizeof(struct buffer_head), 0,
-					(SLAB_RECLAIM_ACCOUNT|SLAB_PANIC|
-					SLAB_MEM_SPREAD),
-					init_buffer_head,
-					NULL);
+	bh_cachep = KMEM_CACHE(buffer_head,
+			SLAB_RECLAIM_ACCOUNT|SLAB_PANIC|SLAB_MEM_SPREAD);
 
 	/*
 	 * Limit the bh occupancy to 10% of ZONE_NORMAL

fs/cifs/cifsfs.c

@@ -701,10 +701,8 @@ cifs_init_once(void *inode, struct kmem_cache * cachep, unsigned long flags)
 {
 	struct cifsInodeInfo *cifsi = inode;
 
-	if (flags & SLAB_CTOR_CONSTRUCTOR) {
-		inode_init_once(&cifsi->vfs_inode);
-		INIT_LIST_HEAD(&cifsi->lockList);
-	}
+	inode_init_once(&cifsi->vfs_inode);
+	INIT_LIST_HEAD(&cifsi->lockList);
 }
 
 static int

fs/coda/inode.c

@@ -62,8 +62,7 @@ static void init_once(void * foo, struct kmem_cache * cachep, unsigned long flag
 {
 	struct coda_inode_info *ei = (struct coda_inode_info *) foo;
 
-	if (flags & SLAB_CTOR_CONSTRUCTOR)
-		inode_init_once(&ei->vfs_inode);
+	inode_init_once(&ei->vfs_inode);
 }
  
 int coda_init_inodecache(void)

fs/ecryptfs/main.c

@@ -583,8 +583,7 @@ inode_info_init_once(void *vptr, struct kmem_cache *cachep, unsigned long flags)
 {
 	struct ecryptfs_inode_info *ei = (struct ecryptfs_inode_info *)vptr;
 
-	if (flags & SLAB_CTOR_CONSTRUCTOR)
-		inode_init_once(&ei->vfs_inode);
+	inode_init_once(&ei->vfs_inode);
 }
 
 static struct ecryptfs_cache_info {

fs/efs/super.c

@@ -72,8 +72,7 @@ static void init_once(void * foo, struct kmem_cache * cachep, unsigned long flag
 {
 	struct efs_inode_info *ei = (struct efs_inode_info *) foo;
 
-	if (flags & SLAB_CTOR_CONSTRUCTOR)
-		inode_init_once(&ei->vfs_inode);
+	inode_init_once(&ei->vfs_inode);
 }
  
 static int init_inodecache(void)

fs/ext2/super.c

@@ -160,13 +160,11 @@ static void init_once(void * foo, struct kmem_cache * cachep, unsigned long flag
 {
 	struct ext2_inode_info *ei = (struct ext2_inode_info *) foo;
 
-	if (flags & SLAB_CTOR_CONSTRUCTOR) {
-		rwlock_init(&ei->i_meta_lock);
+	rwlock_init(&ei->i_meta_lock);
 #ifdef CONFIG_EXT2_FS_XATTR
-		init_rwsem(&ei->xattr_sem);
+	init_rwsem(&ei->xattr_sem);
 #endif
-		inode_init_once(&ei->vfs_inode);
-	}
+	inode_init_once(&ei->vfs_inode);
 }
  
 static int init_inodecache(void)

fs/ext3/super.c

@@ -466,14 +466,12 @@ static void init_once(void * foo, struct kmem_cache * cachep, unsigned long flag
 {
 	struct ext3_inode_info *ei = (struct ext3_inode_info *) foo;
 
-	if (flags & SLAB_CTOR_CONSTRUCTOR) {
-		INIT_LIST_HEAD(&ei->i_orphan);
+	INIT_LIST_HEAD(&ei->i_orphan);
 #ifdef CONFIG_EXT3_FS_XATTR
-		init_rwsem(&ei->xattr_sem);
+	init_rwsem(&ei->xattr_sem);
 #endif
-		mutex_init(&ei->truncate_mutex);
-		inode_init_once(&ei->vfs_inode);
-	}
+	mutex_init(&ei->truncate_mutex);
+	inode_init_once(&ei->vfs_inode);
 }
 
 static int init_inodecache(void)

fs/ext4/super.c

@@ -517,14 +517,12 @@ static void init_once(void * foo, struct kmem_cache * cachep, unsigned long flag
 {
 	struct ext4_inode_info *ei = (struct ext4_inode_info *) foo;
 
-	if (flags & SLAB_CTOR_CONSTRUCTOR) {
-		INIT_LIST_HEAD(&ei->i_orphan);
+	INIT_LIST_HEAD(&ei->i_orphan);
 #ifdef CONFIG_EXT4DEV_FS_XATTR
-		init_rwsem(&ei->xattr_sem);
+	init_rwsem(&ei->xattr_sem);
 #endif
-		mutex_init(&ei->truncate_mutex);
-		inode_init_once(&ei->vfs_inode);
-	}
+	mutex_init(&ei->truncate_mutex);
+	inode_init_once(&ei->vfs_inode);
 }
 
 static int init_inodecache(void)

fs/fat/cache.c

@@ -40,8 +40,7 @@ static void init_once(void *foo, struct kmem_cache *cachep, unsigned long flags)
 {
 	struct fat_cache *cache = (struct fat_cache *)foo;
 
-	if (flags & SLAB_CTOR_CONSTRUCTOR)
-		INIT_LIST_HEAD(&cache->cache_list);
+	INIT_LIST_HEAD(&cache->cache_list);
 }
 
 int __init fat_cache_init(void)

fs/fat/inode.c

@@ -500,14 +500,12 @@ static void init_once(void * foo, struct kmem_cache * cachep, unsigned long flag
 {
 	struct msdos_inode_info *ei = (struct msdos_inode_info *)foo;
 
-	if (flags & SLAB_CTOR_CONSTRUCTOR) {
-		spin_lock_init(&ei->cache_lru_lock);
-		ei->nr_caches = 0;
-		ei->cache_valid_id = FAT_CACHE_VALID + 1;
-		INIT_LIST_HEAD(&ei->cache_lru);
-		INIT_HLIST_NODE(&ei->i_fat_hash);
-		inode_init_once(&ei->vfs_inode);
-	}
+	spin_lock_init(&ei->cache_lru_lock);
+	ei->nr_caches = 0;
+	ei->cache_valid_id = FAT_CACHE_VALID + 1;
+	INIT_LIST_HEAD(&ei->cache_lru);
+	INIT_HLIST_NODE(&ei->i_fat_hash);
+	inode_init_once(&ei->vfs_inode);
 }
 
 static int __init fat_init_inodecache(void)

fs/fuse/inode.c

@@ -687,8 +687,7 @@ static void fuse_inode_init_once(void *foo, struct kmem_cache *cachep,
 {
 	struct inode * inode = foo;
 
-	if (flags & SLAB_CTOR_CONSTRUCTOR)
-		inode_init_once(inode);
+	inode_init_once(inode);
 }
 
 static int __init fuse_fs_init(void)

fs/gfs2/main.c

@@ -27,29 +27,27 @@
 static void gfs2_init_inode_once(void *foo, struct kmem_cache *cachep, unsigned long flags)
 {
 	struct gfs2_inode *ip = foo;
-	if (flags & SLAB_CTOR_CONSTRUCTOR) {
-		inode_init_once(&ip->i_inode);
-		spin_lock_init(&ip->i_spin);
-		init_rwsem(&ip->i_rw_mutex);
-		memset(ip->i_cache, 0, sizeof(ip->i_cache));
-	}
+
+	inode_init_once(&ip->i_inode);
+	spin_lock_init(&ip->i_spin);
+	init_rwsem(&ip->i_rw_mutex);
+	memset(ip->i_cache, 0, sizeof(ip->i_cache));
 }
 
 static void gfs2_init_glock_once(void *foo, struct kmem_cache *cachep, unsigned long flags)
 {
 	struct gfs2_glock *gl = foo;
-	if (flags & SLAB_CTOR_CONSTRUCTOR) {
-		INIT_HLIST_NODE(&gl->gl_list);
-		spin_lock_init(&gl->gl_spin);
-		INIT_LIST_HEAD(&gl->gl_holders);
-		INIT_LIST_HEAD(&gl->gl_waiters1);
-		INIT_LIST_HEAD(&gl->gl_waiters3);
-		gl->gl_lvb = NULL;
-		atomic_set(&gl->gl_lvb_count, 0);
-		INIT_LIST_HEAD(&gl->gl_reclaim);
-		INIT_LIST_HEAD(&gl->gl_ail_list);
-		atomic_set(&gl->gl_ail_count, 0);
-	}
+
+	INIT_HLIST_NODE(&gl->gl_list);
+	spin_lock_init(&gl->gl_spin);
+	INIT_LIST_HEAD(&gl->gl_holders);
+	INIT_LIST_HEAD(&gl->gl_waiters1);
+	INIT_LIST_HEAD(&gl->gl_waiters3);
+	gl->gl_lvb = NULL;
+	atomic_set(&gl->gl_lvb_count, 0);
+	INIT_LIST_HEAD(&gl->gl_reclaim);
+	INIT_LIST_HEAD(&gl->gl_ail_list);
+	atomic_set(&gl->gl_ail_count, 0);
 }
 
 /**

fs/hfs/super.c

@@ -434,8 +434,7 @@ static void hfs_init_once(void *p, struct kmem_cache *cachep, unsigned long flag
 {
 	struct hfs_inode_info *i = p;
 
-	if (flags & SLAB_CTOR_CONSTRUCTOR)
-		inode_init_once(&i->vfs_inode);
+	inode_init_once(&i->vfs_inode);
 }
 
 static int __init init_hfs_fs(void)

fs/hfsplus/super.c

@@ -470,8 +470,7 @@ static void hfsplus_init_once(void *p, struct kmem_cache *cachep, unsigned long
 {
 	struct hfsplus_inode_info *i = p;
 
-	if (flags & SLAB_CTOR_CONSTRUCTOR)
-		inode_init_once(&i->vfs_inode);
+	inode_init_once(&i->vfs_inode);
 }
 
 static int __init init_hfsplus_fs(void)

fs/hpfs/super.c

@@ -176,11 +176,9 @@ static void init_once(void * foo, struct kmem_cache * cachep, unsigned long flag
 {
 	struct hpfs_inode_info *ei = (struct hpfs_inode_info *) foo;
 
-	if (flags & SLAB_CTOR_CONSTRUCTOR) {
-		mutex_init(&ei->i_mutex);
-		mutex_init(&ei->i_parent_mutex);
-		inode_init_once(&ei->vfs_inode);
-	}
+	mutex_init(&ei->i_mutex);
+	mutex_init(&ei->i_parent_mutex);
+	inode_init_once(&ei->vfs_inode);
 }
  
 static int init_inodecache(void)

fs/hugetlbfs/inode.c

@@ -556,8 +556,7 @@ static void init_once(void *foo, struct kmem_cache *cachep, unsigned long flags)
 {
 	struct hugetlbfs_inode_info *ei = (struct hugetlbfs_inode_info *)foo;
 
-	if (flags & SLAB_CTOR_CONSTRUCTOR)
-		inode_init_once(&ei->vfs_inode);
+	inode_init_once(&ei->vfs_inode);
 }
 
 const struct file_operations hugetlbfs_file_operations = {

fs/inode.c

@@ -213,8 +213,7 @@ static void init_once(void * foo, struct kmem_cache * cachep, unsigned long flag
 {
 	struct inode * inode = (struct inode *) foo;
 
-	if (flags & SLAB_CTOR_CONSTRUCTOR)
-		inode_init_once(inode);
+	inode_init_once(inode);
 }
 
 /*

fs/isofs/inode.c

@@ -77,8 +77,7 @@ static void init_once(void *foo, struct kmem_cache * cachep, unsigned long flags
 {
 	struct iso_inode_info *ei = foo;
 
-	if (flags & SLAB_CTOR_CONSTRUCTOR)
-		inode_init_once(&ei->vfs_inode);
+	inode_init_once(&ei->vfs_inode);
 }
  
 static int init_inodecache(void)

fs/jffs2/super.c

@@ -47,10 +47,8 @@ static void jffs2_i_init_once(void * foo, struct kmem_cache * cachep, unsigned l
 {
 	struct jffs2_inode_info *ei = (struct jffs2_inode_info *) foo;
 
-	if (flags & SLAB_CTOR_CONSTRUCTOR) {
-		init_MUTEX(&ei->sem);
-		inode_init_once(&ei->vfs_inode);
-	}
+	init_MUTEX(&ei->sem);
+	inode_init_once(&ei->vfs_inode);
 }
 
 static int jffs2_sync_fs(struct super_block *sb, int wait)

fs/jfs/jfs_metapage.c

@@ -184,16 +184,14 @@ static void init_once(void *foo, struct kmem_cache *cachep, unsigned long flags)
 {
 	struct metapage *mp = (struct metapage *)foo;
 
-	if (flags & SLAB_CTOR_CONSTRUCTOR) {
-		mp->lid = 0;
-		mp->lsn = 0;
-		mp->flag = 0;
-		mp->data = NULL;
-		mp->clsn = 0;
-		mp->log = NULL;
-		set_bit(META_free, &mp->flag);
-		init_waitqueue_head(&mp->wait);
-	}
+	mp->lid = 0;
+	mp->lsn = 0;
+	mp->flag = 0;
+	mp->data = NULL;
+	mp->clsn = 0;
+	mp->log = NULL;
+	set_bit(META_free, &mp->flag);
+	init_waitqueue_head(&mp->wait);
 }
 
 static inline struct metapage *alloc_metapage(gfp_t gfp_mask)

fs/jfs/super.c

@@ -752,20 +752,18 @@ static void init_once(void *foo, struct kmem_cache * cachep, unsigned long flags
 {
 	struct jfs_inode_info *jfs_ip = (struct jfs_inode_info *) foo;
 
-	if (flags & SLAB_CTOR_CONSTRUCTOR) {
-		memset(jfs_ip, 0, sizeof(struct jfs_inode_info));
-		INIT_LIST_HEAD(&jfs_ip->anon_inode_list);
-		init_rwsem(&jfs_ip->rdwrlock);
-		mutex_init(&jfs_ip->commit_mutex);
-		init_rwsem(&jfs_ip->xattr_sem);
-		spin_lock_init(&jfs_ip->ag_lock);
-		jfs_ip->active_ag = -1;
+	memset(jfs_ip, 0, sizeof(struct jfs_inode_info));
+	INIT_LIST_HEAD(&jfs_ip->anon_inode_list);
+	init_rwsem(&jfs_ip->rdwrlock);
+	mutex_init(&jfs_ip->commit_mutex);
+	init_rwsem(&jfs_ip->xattr_sem);
+	spin_lock_init(&jfs_ip->ag_lock);
+	jfs_ip->active_ag = -1;
 #ifdef CONFIG_JFS_POSIX_ACL
-		jfs_ip->i_acl = JFS_ACL_NOT_CACHED;
-		jfs_ip->i_default_acl = JFS_ACL_NOT_CACHED;
+	jfs_ip->i_acl = JFS_ACL_NOT_CACHED;
+	jfs_ip->i_default_acl = JFS_ACL_NOT_CACHED;
 #endif
-		inode_init_once(&jfs_ip->vfs_inode);
-	}
+	inode_init_once(&jfs_ip->vfs_inode);
 }
 
 static int __init init_jfs_fs(void)

fs/locks.c

@@ -203,9 +203,6 @@ static void init_once(void *foo, struct kmem_cache *cache, unsigned long flags)
 {
 	struct file_lock *lock = (struct file_lock *) foo;
 
-	if (!(flags & SLAB_CTOR_CONSTRUCTOR))
-		return;
-
 	locks_init_lock(lock);
 }
 

fs/minix/inode.c

@@ -73,8 +73,7 @@ static void init_once(void * foo, struct kmem_cache * cachep, unsigned long flag
 {
 	struct minix_inode_info *ei = (struct minix_inode_info *) foo;
 
-	if (flags & SLAB_CTOR_CONSTRUCTOR)
-		inode_init_once(&ei->vfs_inode);
+	inode_init_once(&ei->vfs_inode);
 }
  
 static int init_inodecache(void)

fs/ncpfs/inode.c

@@ -60,10 +60,8 @@ static void init_once(void * foo, struct kmem_cache * cachep, unsigned long flag
 {
 	struct ncp_inode_info *ei = (struct ncp_inode_info *) foo;
 
-	if (flags & SLAB_CTOR_CONSTRUCTOR) {
-		mutex_init(&ei->open_mutex);
-		inode_init_once(&ei->vfs_inode);
-	}
+	mutex_init(&ei->open_mutex);
+	inode_init_once(&ei->vfs_inode);
 }
  
 static int init_inodecache(void)

fs/nfs/inode.c

@@ -1164,21 +1164,19 @@ static void init_once(void * foo, struct kmem_cache * cachep, unsigned long flag
 {
 	struct nfs_inode *nfsi = (struct nfs_inode *) foo;
 
-	if (flags & SLAB_CTOR_CONSTRUCTOR) {
-		inode_init_once(&nfsi->vfs_inode);
-		spin_lock_init(&nfsi->req_lock);
-		INIT_LIST_HEAD(&nfsi->dirty);
-		INIT_LIST_HEAD(&nfsi->commit);
-		INIT_LIST_HEAD(&nfsi->open_files);
-		INIT_LIST_HEAD(&nfsi->access_cache_entry_lru);
-		INIT_LIST_HEAD(&nfsi->access_cache_inode_lru);
-		INIT_RADIX_TREE(&nfsi->nfs_page_tree, GFP_ATOMIC);
-		atomic_set(&nfsi->data_updates, 0);
-		nfsi->ndirty = 0;
-		nfsi->ncommit = 0;
-		nfsi->npages = 0;
-		nfs4_init_once(nfsi);
-	}
+	inode_init_once(&nfsi->vfs_inode);
+	spin_lock_init(&nfsi->req_lock);
+	INIT_LIST_HEAD(&nfsi->dirty);
+	INIT_LIST_HEAD(&nfsi->commit);
+	INIT_LIST_HEAD(&nfsi->open_files);
+	INIT_LIST_HEAD(&nfsi->access_cache_entry_lru);
+	INIT_LIST_HEAD(&nfsi->access_cache_inode_lru);
+	INIT_RADIX_TREE(&nfsi->nfs_page_tree, GFP_ATOMIC);
+	atomic_set(&nfsi->data_updates, 0);
+	nfsi->ndirty = 0;
+	nfsi->ncommit = 0;
+	nfsi->npages = 0;
+	nfs4_init_once(nfsi);
 }
  
 static int __init nfs_init_inodecache(void)

fs/ntfs/super.c

@@ -3085,8 +3085,7 @@ static void ntfs_big_inode_init_once(void *foo, struct kmem_cache *cachep,
 {
 	ntfs_inode *ni = (ntfs_inode *)foo;
 
-	if (flags & SLAB_CTOR_CONSTRUCTOR)
-		inode_init_once(VFS_I(ni));
+	inode_init_once(VFS_I(ni));
 }
 
 /*

fs/ocfs2/dlm/dlmfs.c

@@ -262,12 +262,10 @@ static void dlmfs_init_once(void *foo,
 	struct dlmfs_inode_private *ip =
 		(struct dlmfs_inode_private *) foo;
 
-	if (flags & SLAB_CTOR_CONSTRUCTOR) {
-		ip->ip_dlm = NULL;
-		ip->ip_parent = NULL;
+	ip->ip_dlm = NULL;
+	ip->ip_parent = NULL;
 
-		inode_init_once(&ip->ip_vfs_inode);
-	}
+	inode_init_once(&ip->ip_vfs_inode);
 }
 
 static struct inode *dlmfs_alloc_inode(struct super_block *sb)

fs/ocfs2/super.c

@@ -937,31 +937,29 @@ static void ocfs2_inode_init_once(void *data,
 {
 	struct ocfs2_inode_info *oi = data;
 
-	if (flags & SLAB_CTOR_CONSTRUCTOR) {
-		oi->ip_flags = 0;
-		oi->ip_open_count = 0;
-		spin_lock_init(&oi->ip_lock);
-		ocfs2_extent_map_init(&oi->vfs_inode);
-		INIT_LIST_HEAD(&oi->ip_io_markers);
-		oi->ip_created_trans = 0;
-		oi->ip_last_trans = 0;
-		oi->ip_dir_start_lookup = 0;
+	oi->ip_flags = 0;
+	oi->ip_open_count = 0;
+	spin_lock_init(&oi->ip_lock);
+	ocfs2_extent_map_init(&oi->vfs_inode);
+	INIT_LIST_HEAD(&oi->ip_io_markers);
+	oi->ip_created_trans = 0;
+	oi->ip_last_trans = 0;
+	oi->ip_dir_start_lookup = 0;
 
-		init_rwsem(&oi->ip_alloc_sem);
-		mutex_init(&oi->ip_io_mutex);
+	init_rwsem(&oi->ip_alloc_sem);
+	mutex_init(&oi->ip_io_mutex);
 
-		oi->ip_blkno = 0ULL;
-		oi->ip_clusters = 0;
+	oi->ip_blkno = 0ULL;
+	oi->ip_clusters = 0;
 
-		ocfs2_lock_res_init_once(&oi->ip_rw_lockres);
-		ocfs2_lock_res_init_once(&oi->ip_meta_lockres);
-		ocfs2_lock_res_init_once(&oi->ip_data_lockres);
-		ocfs2_lock_res_init_once(&oi->ip_open_lockres);
+	ocfs2_lock_res_init_once(&oi->ip_rw_lockres);
+	ocfs2_lock_res_init_once(&oi->ip_meta_lockres);
+	ocfs2_lock_res_init_once(&oi->ip_data_lockres);
+	ocfs2_lock_res_init_once(&oi->ip_open_lockres);
 
-		ocfs2_metadata_cache_init(&oi->vfs_inode);
+	ocfs2_metadata_cache_init(&oi->vfs_inode);
 
-		inode_init_once(&oi->vfs_inode);
-	}
+	inode_init_once(&oi->vfs_inode);
 }
 
 static int ocfs2_initialize_mem_caches(void)

fs/openpromfs/inode.c

@@ -419,8 +419,7 @@ static void op_inode_init_once(void *data, struct kmem_cache * cachep, unsigned
 {
 	struct op_inode_info *oi = (struct op_inode_info *) data;
 
-	if (flags & SLAB_CTOR_CONSTRUCTOR)
-		inode_init_once(&oi->vfs_inode);
+	inode_init_once(&oi->vfs_inode);
 }
 
 static int __init init_openprom_fs(void)

fs/proc/inode.c

@@ -109,8 +109,7 @@ static void init_once(void * foo, struct kmem_cache * cachep, unsigned long flag
 {
 	struct proc_inode *ei = (struct proc_inode *) foo;
 
-	if (flags & SLAB_CTOR_CONSTRUCTOR)
-		inode_init_once(&ei->vfs_inode);
+	inode_init_once(&ei->vfs_inode);
 }
  
 int __init proc_init_inodecache(void)

fs/qnx4/inode.c

@@ -536,8 +536,7 @@ static void init_once(void *foo, struct kmem_cache * cachep,
 {
 	struct qnx4_inode_info *ei = (struct qnx4_inode_info *) foo;
 
-	if (flags & SLAB_CTOR_CONSTRUCTOR)
-		inode_init_once(&ei->vfs_inode);
+	inode_init_once(&ei->vfs_inode);
 }
 
 static int init_inodecache(void)

fs/reiserfs/super.c

@@ -511,14 +511,12 @@ static void init_once(void *foo, struct kmem_cache * cachep, unsigned long flags
 {
 	struct reiserfs_inode_info *ei = (struct reiserfs_inode_info *)foo;
 
-	if (flags & SLAB_CTOR_CONSTRUCTOR) {
-		INIT_LIST_HEAD(&ei->i_prealloc_list);
-		inode_init_once(&ei->vfs_inode);
+	INIT_LIST_HEAD(&ei->i_prealloc_list);
+	inode_init_once(&ei->vfs_inode);
 #ifdef CONFIG_REISERFS_FS_POSIX_ACL
-		ei->i_acl_access = NULL;
-		ei->i_acl_default = NULL;
+	ei->i_acl_access = NULL;
+	ei->i_acl_default = NULL;
 #endif
-	}
 }
 
 static int init_inodecache(void)

fs/romfs/inode.c

@@ -566,12 +566,11 @@ static void romfs_destroy_inode(struct inode *inode)
 	kmem_cache_free(romfs_inode_cachep, ROMFS_I(inode));
 }
 
-static void init_once(void * foo, struct kmem_cache * cachep, unsigned long flags)
+static void init_once(void *foo, struct kmem_cache *cachep, unsigned long flags)
 {
-	struct romfs_inode_info *ei = (struct romfs_inode_info *) foo;
+	struct romfs_inode_info *ei = foo;
 
-	if (flags & SLAB_CTOR_CONSTRUCTOR)
-		inode_init_once(&ei->vfs_inode);
+	inode_init_once(&ei->vfs_inode);
 }
  
 static int init_inodecache(void)

fs/smbfs/inode.c

@@ -70,8 +70,7 @@ static void init_once(void * foo, struct kmem_cache * cachep, unsigned long flag
 {
 	struct smb_inode_info *ei = (struct smb_inode_info *) foo;
 
-	if (flags & SLAB_CTOR_CONSTRUCTOR)
-		inode_init_once(&ei->vfs_inode);
+	inode_init_once(&ei->vfs_inode);
 }
  
 static int init_inodecache(void)

fs/sysv/inode.c

@@ -322,8 +322,7 @@ static void init_once(void *p, struct kmem_cache *cachep, unsigned long flags)
 {
 	struct sysv_inode_info *si = (struct sysv_inode_info *)p;
 
-	if (flags & SLAB_CTOR_CONSTRUCTOR)
-		inode_init_once(&si->vfs_inode);
+	inode_init_once(&si->vfs_inode);
 }
 
 const struct super_operations sysv_sops = {

fs/udf/super.c

@@ -134,10 +134,8 @@ static void init_once(void * foo, struct kmem_cache * cachep, unsigned long flag
 {
 	struct udf_inode_info *ei = (struct udf_inode_info *) foo;
 
-	if (flags & SLAB_CTOR_CONSTRUCTOR) {
-		ei->i_ext.i_data = NULL;
-		inode_init_once(&ei->vfs_inode);
-	}
+	ei->i_ext.i_data = NULL;
+	inode_init_once(&ei->vfs_inode);
 }
 
 static int init_inodecache(void)

fs/ufs/super.c

@@ -1237,8 +1237,7 @@ static void init_once(void * foo, struct kmem_cache * cachep, unsigned long flag
 {
 	struct ufs_inode_info *ei = (struct ufs_inode_info *) foo;
 
-	if (flags & SLAB_CTOR_CONSTRUCTOR)
-		inode_init_once(&ei->vfs_inode);
+	inode_init_once(&ei->vfs_inode);
 }
  
 static int init_inodecache(void)

fs/xfs/linux-2.6/xfs_super.c

@@ -360,8 +360,7 @@ xfs_fs_inode_init_once(
 	kmem_zone_t		*zonep,
 	unsigned long		flags)
 {
-	if (flags & SLAB_CTOR_CONSTRUCTOR)
-		inode_init_once(vn_to_inode((bhv_vnode_t *)vnode));
+	inode_init_once(vn_to_inode((bhv_vnode_t *)vnode));
 }
 
 STATIC int

include/linux/slab.h

@@ -32,9 +32,6 @@ typedef struct kmem_cache kmem_cache_t __deprecated;
 #define SLAB_MEM_SPREAD		0x00100000UL	/* Spread some memory over cpuset */
 #define SLAB_TRACE		0x00200000UL	/* Trace allocations and frees */
 
-/* Flags passed to a constructor functions */
-#define SLAB_CTOR_CONSTRUCTOR	0x001UL		/* If not set, then deconstructor */
-
 /*
  * struct kmem_cache related prototypes
  */

ipc/mqueue.c

@@ -215,8 +215,7 @@ static void init_once(void *foo, struct kmem_cache * cachep, unsigned long flags
 {
 	struct mqueue_inode_info *p = (struct mqueue_inode_info *) foo;
 
-	if (flags & SLAB_CTOR_CONSTRUCTOR)
-		inode_init_once(&p->vfs_inode);
+	inode_init_once(&p->vfs_inode);
 }
 
 static struct inode *mqueue_alloc_inode(struct super_block *sb)

kernel/fork.c

@@ -1427,10 +1427,8 @@ static void sighand_ctor(void *data, struct kmem_cache *cachep,
 {
 	struct sighand_struct *sighand = data;
 
-	if (flags & SLAB_CTOR_CONSTRUCTOR) {
-		spin_lock_init(&sighand->siglock);
-		INIT_LIST_HEAD(&sighand->signalfd_list);
-	}
+	spin_lock_init(&sighand->siglock);
+	INIT_LIST_HEAD(&sighand->signalfd_list);
 }
 
 void __init proc_caches_init(void)

mm/rmap.c

@@ -162,12 +162,10 @@ void anon_vma_unlink(struct vm_area_struct *vma)
 static void anon_vma_ctor(void *data, struct kmem_cache *cachep,
 			  unsigned long flags)
 {
-	if (flags & SLAB_CTOR_CONSTRUCTOR) {
-		struct anon_vma *anon_vma = data;
+	struct anon_vma *anon_vma = data;
 
-		spin_lock_init(&anon_vma->lock);
-		INIT_LIST_HEAD(&anon_vma->head);
-	}
+	spin_lock_init(&anon_vma->lock);
+	INIT_LIST_HEAD(&anon_vma->head);
 }
 
 void __init anon_vma_init(void)

mm/shmem.c

@@ -2358,13 +2358,11 @@ static void init_once(void *foo, struct kmem_cache *cachep,
 {
 	struct shmem_inode_info *p = (struct shmem_inode_info *) foo;
 
-	if (flags & SLAB_CTOR_CONSTRUCTOR) {
-		inode_init_once(&p->vfs_inode);
+	inode_init_once(&p->vfs_inode);
 #ifdef CONFIG_TMPFS_POSIX_ACL
-		p->i_acl = NULL;
-		p->i_default_acl = NULL;
+	p->i_acl = NULL;
+	p->i_default_acl = NULL;
 #endif
-	}
 }
 
 static int init_inodecache(void)

mm/slab.c

@@ -2610,7 +2610,7 @@ static inline kmem_bufctl_t *slab_bufctl(struct slab *slabp)
 }
 
 static void cache_init_objs(struct kmem_cache *cachep,
-			    struct slab *slabp, unsigned long ctor_flags)
+			    struct slab *slabp)
 {
 	int i;
 
@@ -2634,7 +2634,7 @@ static void cache_init_objs(struct kmem_cache *cachep,
 		 */
 		if (cachep->ctor && !(cachep->flags & SLAB_POISON))
 			cachep->ctor(objp + obj_offset(cachep), cachep,
-				     ctor_flags);
+				     0);
 
 		if (cachep->flags & SLAB_RED_ZONE) {
 			if (*dbg_redzone2(cachep, objp) != RED_INACTIVE)
@@ -2650,7 +2650,7 @@ static void cache_init_objs(struct kmem_cache *cachep,
 					 cachep->buffer_size / PAGE_SIZE, 0);
 #else
 		if (cachep->ctor)
-			cachep->ctor(objp, cachep, ctor_flags);
+			cachep->ctor(objp, cachep, 0);
 #endif
 		slab_bufctl(slabp)[i] = i + 1;
 	}
@@ -2739,7 +2739,6 @@ static int cache_grow(struct kmem_cache *cachep,
 	struct slab *slabp;
 	size_t offset;
 	gfp_t local_flags;
-	unsigned long ctor_flags;
 	struct kmem_list3 *l3;
 
 	/*
@@ -2748,7 +2747,6 @@ static int cache_grow(struct kmem_cache *cachep,
 	 */
 	BUG_ON(flags & ~(GFP_DMA | GFP_LEVEL_MASK));
 
-	ctor_flags = SLAB_CTOR_CONSTRUCTOR;
 	local_flags = (flags & GFP_LEVEL_MASK);
 	/* Take the l3 list lock to change the colour_next on this node */
 	check_irq_off();
@@ -2793,7 +2791,7 @@ static int cache_grow(struct kmem_cache *cachep,
 	slabp->nodeid = nodeid;
 	slab_map_pages(cachep, slabp, objp);
 
-	cache_init_objs(cachep, slabp, ctor_flags);
+	cache_init_objs(cachep, slabp);
 
 	if (local_flags & __GFP_WAIT)
 		local_irq_disable();
@@ -3077,7 +3075,7 @@ static void *cache_alloc_debugcheck_after(struct kmem_cache *cachep,
 #endif
 	objp += obj_offset(cachep);
 	if (cachep->ctor && cachep->flags & SLAB_POISON)
-		cachep->ctor(objp, cachep, SLAB_CTOR_CONSTRUCTOR);
+		cachep->ctor(objp, cachep, 0);
 #if ARCH_SLAB_MINALIGN
 	if ((u32)objp & (ARCH_SLAB_MINALIGN-1)) {
 		printk(KERN_ERR "0x%p: not aligned to ARCH_SLAB_MINALIGN=%d\n",

mm/slob.c

@@ -327,7 +327,7 @@ void *kmem_cache_alloc(struct kmem_cache *c, gfp_t flags)
 		b = (void *)__get_free_pages(flags, get_order(c->size));
 
 	if (c->ctor)
-		c->ctor(b, c, SLAB_CTOR_CONSTRUCTOR);
+		c->ctor(b, c, 0);
 
 	return b;
 }

mm/slub.c

@@ -994,7 +994,7 @@ static void setup_object(struct kmem_cache *s, struct page *page,
 	}
 
 	if (unlikely(s->ctor))
-		s->ctor(object, s, SLAB_CTOR_CONSTRUCTOR);
+		s->ctor(object, s, 0);
 }
 
 static struct page *new_slab(struct kmem_cache *s, gfp_t flags, int node)

net/socket.c

@@ -261,8 +261,7 @@ static void init_once(void *foo, struct kmem_cache *cachep, unsigned long flags)
 {
 	struct socket_alloc *ei = (struct socket_alloc *)foo;
 
-	if (flags & SLAB_CTOR_CONSTRUCTOR)
-		inode_init_once(&ei->vfs_inode);
+	inode_init_once(&ei->vfs_inode);
 }
 
 static int init_inodecache(void)

net/sunrpc/rpc_pipe.c

@@ -828,19 +828,17 @@ init_once(void * foo, struct kmem_cache * cachep, unsigned long flags)
 {
 	struct rpc_inode *rpci = (struct rpc_inode *) foo;
 
-	if (flags & SLAB_CTOR_CONSTRUCTOR) {
-		inode_init_once(&rpci->vfs_inode);
-		rpci->private = NULL;
-		rpci->nreaders = 0;
-		rpci->nwriters = 0;
-		INIT_LIST_HEAD(&rpci->in_upcall);
-		INIT_LIST_HEAD(&rpci->pipe);
-		rpci->pipelen = 0;
-		init_waitqueue_head(&rpci->waitq);
-		INIT_DELAYED_WORK(&rpci->queue_timeout,
-				    rpc_timeout_upcall_queue);
-		rpci->ops = NULL;
-	}
+	inode_init_once(&rpci->vfs_inode);
+	rpci->private = NULL;
+	rpci->nreaders = 0;
+	rpci->nwriters = 0;
+	INIT_LIST_HEAD(&rpci->in_upcall);
+	INIT_LIST_HEAD(&rpci->pipe);
+	rpci->pipelen = 0;
+	init_waitqueue_head(&rpci->waitq);
+	INIT_DELAYED_WORK(&rpci->queue_timeout,
+			    rpc_timeout_upcall_queue);
+	rpci->ops = NULL;
 }
 
 int register_rpc_pipefs(void)