diff options
| author | Matthew Dobson <colpatch@us.ibm.com> | 2006-03-26 11:37:45 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-03-26 18:56:59 +0200 |
| commit | a19b27ce3847c3a5d4ea6b6c91b6f7154759af23 (patch) | |
| tree | 794dc69869408bee9154b3e9d9852327e5219f4c | |
| parent | [PATCH] mempool: add page allocator (diff) | |
| download | linux-a19b27ce3847c3a5d4ea6b6c91b6f7154759af23.tar.xz linux-a19b27ce3847c3a5d4ea6b6c91b6f7154759af23.zip | |
[PATCH] mempool: use common mempool page allocator
Convert two mempool users that currently use their own mempool-backed page
allocators to use the generic mempool page allocator.
Also included are 2 trivial whitespace fixes.
Signed-off-by: Matthew Dobson <colpatch@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| -rw-r--r-- | drivers/md/dm-crypt.c | 17 | ||||
| -rw-r--r-- | mm/highmem.c | 23 |
2 files changed, 8 insertions, 32 deletions
diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c index e7a650f9ca07..d88b8eda3903 100644 --- a/drivers/md/dm-crypt.c +++ b/drivers/md/dm-crypt.c @@ -94,20 +94,6 @@ struct crypt_config { static kmem_cache_t *_crypt_io_pool; /* - * Mempool alloc and free functions for the page - */ -static void *mempool_alloc_page(gfp_t gfp_mask, void *data) -{ - return alloc_page(gfp_mask); -} - -static void mempool_free_page(void *page, void *data) -{ - __free_page(page); -} - - -/* * Different IV generation algorithms: * * plain: the initial vector is the 32-bit low-endian version of the sector @@ -637,8 +623,7 @@ static int crypt_ctr(struct dm_target *ti, unsigned int argc, char **argv) goto bad3; } - cc->page_pool = mempool_create(MIN_POOL_PAGES, mempool_alloc_page, - mempool_free_page, NULL); + cc->page_pool = mempool_create_page_pool(MIN_POOL_PAGES, 0); if (!cc->page_pool) { ti->error = PFX "Cannot allocate page mempool"; goto bad4; diff --git a/mm/highmem.c b/mm/highmem.c index d0ea1eec6a9a..55885f64af40 100644 --- a/mm/highmem.c +++ b/mm/highmem.c @@ -31,14 +31,9 @@ static mempool_t *page_pool, *isa_page_pool; -static void *page_pool_alloc_isa(gfp_t gfp_mask, void *data) +static void *mempool_alloc_pages_isa(gfp_t gfp_mask, void *data) { - return alloc_page(gfp_mask | GFP_DMA); -} - -static void page_pool_free(void *page, void *data) -{ - __free_page(page); + return mempool_alloc_pages(gfp_mask | GFP_DMA, data); } /* @@ -51,11 +46,6 @@ static void page_pool_free(void *page, void *data) */ #ifdef CONFIG_HIGHMEM -static void *page_pool_alloc(gfp_t gfp_mask, void *data) -{ - return alloc_page(gfp_mask); -} - static int pkmap_count[LAST_PKMAP]; static unsigned int last_pkmap_nr; static __cacheline_aligned_in_smp DEFINE_SPINLOCK(kmap_lock); @@ -229,7 +219,7 @@ static __init int init_emergency_pool(void) if (!i.totalhigh) return 0; - page_pool = mempool_create(POOL_SIZE, page_pool_alloc, page_pool_free, NULL); + page_pool = mempool_create_page_pool(POOL_SIZE, 0); if (!page_pool) BUG(); printk("highmem bounce pool size: %d pages\n", POOL_SIZE); @@ -272,7 +262,8 @@ int init_emergency_isa_pool(void) if (isa_page_pool) return 0; - isa_page_pool = mempool_create(ISA_POOL_SIZE, page_pool_alloc_isa, page_pool_free, NULL); + isa_page_pool = mempool_create(ISA_POOL_SIZE, mempool_alloc_pages_isa, + mempool_free_pages, (void *) 0); if (!isa_page_pool) BUG(); @@ -337,7 +328,7 @@ static void bounce_end_io(struct bio *bio, mempool_t *pool, int err) bio_put(bio); } -static int bounce_end_io_write(struct bio *bio, unsigned int bytes_done,int err) +static int bounce_end_io_write(struct bio *bio, unsigned int bytes_done, int err) { if (bio->bi_size) return 1; @@ -384,7 +375,7 @@ static int bounce_end_io_read_isa(struct bio *bio, unsigned int bytes_done, int } static void __blk_queue_bounce(request_queue_t *q, struct bio **bio_orig, - mempool_t *pool) + mempool_t *pool) { struct page *page; struct bio *bio = NULL; |