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[PATCH] slab: remove SLAB_DMA
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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 <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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Christoph Lameter authored and Linus Torvalds committed Dec 7, 2006
1 parent e94b176 commit 441e143
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Showing 6 changed files with 8 additions and 11 deletions.
6 changes: 3 additions & 3 deletions drivers/atm/he.c
Original file line number Diff line number Diff line change
Expand Up @@ -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
Expand Down Expand Up @@ -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
Expand Down Expand Up @@ -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;

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2 changes: 1 addition & 1 deletion drivers/s390/block/dasd_eckd.c
Original file line number Diff line number Diff line change
Expand Up @@ -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)
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2 changes: 1 addition & 1 deletion drivers/s390/block/dasd_fba.c
Original file line number Diff line number Diff line change
Expand Up @@ -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)
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2 changes: 1 addition & 1 deletion drivers/usb/core/buffer.c
Original file line number Diff line number Diff line change
Expand Up @@ -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.
*/

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3 changes: 0 additions & 3 deletions include/linux/slab.h
Original file line number Diff line number Diff line change
Expand Up @@ -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.
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4 changes: 2 additions & 2 deletions mm/slab.c
Original file line number Diff line number Diff line change
Expand Up @@ -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);
Expand Down Expand Up @@ -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;

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