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| author | Fabian Frederick <fabf@skynet.be> | 2014-06-04 16:11:07 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2014-06-04 16:54:13 -0700 |
| commit | 50417c55562c03e6746b13aee650c2bbb048fea3 (patch) | |
| tree | 986c01bd15db89953aca177bd91653029aa137ed /mm/zbud.c | |
| parent | 38515c73398a4c58059ecf1087e844561b58ee0f (diff) | |
| download | lwn-50417c55562c03e6746b13aee650c2bbb048fea3.tar.gz lwn-50417c55562c03e6746b13aee650c2bbb048fea3.zip | |
mm/zbud.c: make size unsigned like unique callsite
zbud_alloc is only called by zswap_frontswap_store with unsigned int len.
Change function parameter + update >= 0 check.
Signed-off-by: Fabian Frederick <fabf@skynet.be>
Acked-by: Seth Jennings <sjennings@variantweb.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/zbud.c')
| -rw-r--r-- | mm/zbud.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/mm/zbud.c b/mm/zbud.c index 9451361e6aa7..01df13a7e2e1 100644 --- a/mm/zbud.c +++ b/mm/zbud.c @@ -247,7 +247,7 @@ void zbud_destroy_pool(struct zbud_pool *pool) * gfp arguments are invalid or -ENOMEM if the pool was unable to allocate * a new page. */ -int zbud_alloc(struct zbud_pool *pool, int size, gfp_t gfp, +int zbud_alloc(struct zbud_pool *pool, unsigned int size, gfp_t gfp, unsigned long *handle) { int chunks, i, freechunks; @@ -255,7 +255,7 @@ int zbud_alloc(struct zbud_pool *pool, int size, gfp_t gfp, enum buddy bud; struct page *page; - if (size <= 0 || gfp & __GFP_HIGHMEM) + if (!size || (gfp & __GFP_HIGHMEM)) return -EINVAL; if (size > PAGE_SIZE - ZHDR_SIZE_ALIGNED - CHUNK_SIZE) return -ENOSPC; |