[PATCH] slab: remove SLAB_DMA

SLAB_DMA is an alias of GFP_DMA. This is the last one so we
remove the leftover comment too.

Signed-off-by: Christoph Lameter <clameter@sgi.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

drivers/atm/he.c

@@ -820,7 +820,7 @@ he_init_group(struct he_dev *he_dev, int group)
 		void *cpuaddr;
 
 #ifdef USE_RBPS_POOL 
-		cpuaddr = pci_pool_alloc(he_dev->rbps_pool, GFP_KERNEL|SLAB_DMA, &dma_handle);
+		cpuaddr = pci_pool_alloc(he_dev->rbps_pool, GFP_KERNEL|GFP_DMA, &dma_handle);
 		if (cpuaddr == NULL)
 			return -ENOMEM;
 #else
@@ -884,7 +884,7 @@ he_init_group(struct he_dev *he_dev, int group)
 		void *cpuaddr;
 
 #ifdef USE_RBPL_POOL
-		cpuaddr = pci_pool_alloc(he_dev->rbpl_pool, GFP_KERNEL|SLAB_DMA, &dma_handle);
+		cpuaddr = pci_pool_alloc(he_dev->rbpl_pool, GFP_KERNEL|GFP_DMA, &dma_handle);
 		if (cpuaddr == NULL)
 			return -ENOMEM;
 #else
@@ -1724,7 +1724,7 @@ __alloc_tpd(struct he_dev *he_dev)
 	struct he_tpd *tpd;
 	dma_addr_t dma_handle; 
 
-	tpd = pci_pool_alloc(he_dev->tpd_pool, GFP_ATOMIC|SLAB_DMA, &dma_handle);
+	tpd = pci_pool_alloc(he_dev->tpd_pool, GFP_ATOMIC|GFP_DMA, &dma_handle);
 	if (tpd == NULL)
 		return NULL;
 			

drivers/s390/block/dasd_eckd.c

@@ -1215,7 +1215,7 @@ dasd_eckd_build_cp(struct dasd_device * device, struct request *req)
 		dst = page_address(bv->bv_page) + bv->bv_offset;
 		if (dasd_page_cache) {
 			char *copy = kmem_cache_alloc(dasd_page_cache,
-						      SLAB_DMA | __GFP_NOWARN);
+						      GFP_DMA | __GFP_NOWARN);
 			if (copy && rq_data_dir(req) == WRITE)
 				memcpy(copy + bv->bv_offset, dst, bv->bv_len);
 			if (copy)

drivers/s390/block/dasd_fba.c

@@ -308,7 +308,7 @@ dasd_fba_build_cp(struct dasd_device * device, struct request *req)
 		dst = page_address(bv->bv_page) + bv->bv_offset;
 		if (dasd_page_cache) {
 			char *copy = kmem_cache_alloc(dasd_page_cache,
-						      SLAB_DMA | __GFP_NOWARN);
+						      GFP_DMA | __GFP_NOWARN);
 			if (copy && rq_data_dir(req) == WRITE)
 				memcpy(copy + bv->bv_offset, dst, bv->bv_len);
 			if (copy)

drivers/usb/core/buffer.c

@@ -93,7 +93,7 @@ void hcd_buffer_destroy (struct usb_hcd *hcd)
 }
 
 
-/* sometimes alloc/free could use kmalloc with SLAB_DMA, for
+/* sometimes alloc/free could use kmalloc with GFP_DMA, for
  * better sharing and to leverage mm/slab.c intelligence.
  */
 

include/linux/slab.h

@@ -18,9 +18,6 @@ typedef struct kmem_cache kmem_cache_t;
 #include	<asm/page.h>		/* kmalloc_sizes.h needs PAGE_SIZE */
 #include	<asm/cache.h>		/* kmalloc_sizes.h needs L1_CACHE_BYTES */
 
-/* flags for kmem_cache_alloc() */
-#define	SLAB_DMA		GFP_DMA
-
 /* flags to pass to kmem_cache_create().
  * The first 3 are only valid when the allocator as been build
  * SLAB_DEBUG_SUPPORT.

mm/slab.c

@@ -2637,7 +2637,7 @@ static void cache_init_objs(struct kmem_cache *cachep,
 
 static void kmem_flagcheck(struct kmem_cache *cachep, gfp_t flags)
 {
-	if (flags & SLAB_DMA)
+	if (flags & GFP_DMA)
 		BUG_ON(!(cachep->gfpflags & GFP_DMA));
 	else
 		BUG_ON(cachep->gfpflags & GFP_DMA);
@@ -2721,7 +2721,7 @@ static int cache_grow(struct kmem_cache *cachep, gfp_t flags, int nodeid)
 	 * Be lazy and only check for valid flags here,  keeping it out of the
 	 * critical path in kmem_cache_alloc().
 	 */
-	BUG_ON(flags & ~(SLAB_DMA | GFP_LEVEL_MASK | __GFP_NO_GROW));
+	BUG_ON(flags & ~(GFP_DMA | GFP_LEVEL_MASK | __GFP_NO_GROW));
 	if (flags & __GFP_NO_GROW)
 		return 0;