[S390] sclp console: convert from bootmem to slab

The slab allocator is earlier available so convert the
bootmem allocations to slab/gfp allocations.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

drivers/s390/char/sclp_con.c

@@ -11,7 +11,6 @@
 #include <linux/init.h>
 #include <linux/timer.h>
 #include <linux/jiffies.h>
-#include <linux/bootmem.h>
 #include <linux/termios.h>
 #include <linux/err.h>
 #include <linux/reboot.h>
@@ -298,8 +297,8 @@ sclp_console_init(void)
 	/* Allocate pages for output buffering */
 	INIT_LIST_HEAD(&sclp_con_pages);
 	for (i = 0; i < MAX_CONSOLE_PAGES; i++) {
-		page = alloc_bootmem_low_pages(PAGE_SIZE);
-		list_add_tail((struct list_head *) page, &sclp_con_pages);
+		page = (void *) get_zeroed_page(GFP_KERNEL | GFP_DMA);
+		list_add_tail(page, &sclp_con_pages);
 	}
 	INIT_LIST_HEAD(&sclp_con_outqueue);
 	spin_lock_init(&sclp_con_lock);