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| author |   Ganesh Mahendran <opensource.ganesh@gmail.com> | 2014-12-12 16:57:10 -0800 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2014-12-13 12:42:50 -0800 |
| commit | 181366561ac1e1a7bc3b91dbe45e7614a2f758b9 (patch) | |
| tree | 559d989501ca9e8735518a5ae6b7267ea24a5df3 /mm | |
| parent | mm/zsmalloc: avoid duplicate assignment of prev_class (diff) | |
| download | linux-dev-181366561ac1e1a7bc3b91dbe45e7614a2f758b9.tar.xz linux-dev-181366561ac1e1a7bc3b91dbe45e7614a2f758b9.zip | |
mm/zsmalloc: allocate exactly size of struct zs_pool
In zs_create_pool(), we allocate memory more then sizeof(struct zs_pool)
ovhd_size = roundup(sizeof(*pool), PAGE_SIZE);
This patch allocate memory of exactly needed size.
Signed-off-by: Ganesh Mahendran <opensource.ganesh@gmail.com>
Acked-by: Minchan Kim <minchan@kernel.org>
Cc: Nitin Gupta <ngupta@vflare.org>
Cc: Dan Streetman <ddstreet@ieee.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/zsmalloc.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/mm/zsmalloc.c b/mm/zsmalloc.c index 2021df5eb891..4d0a063145ec 100644 --- a/mm/zsmalloc.c +++ b/mm/zsmalloc.c @@ -979,12 +979,11 @@ static bool can_merge(struct size_class *prev, int size, int pages_per_zspage) */ struct zs_pool *zs_create_pool(gfp_t flags) { - int i, ovhd_size; + int i; struct zs_pool *pool; struct size_class *prev_class = NULL; - ovhd_size = roundup(sizeof(*pool), PAGE_SIZE); - pool = kzalloc(ovhd_size, GFP_KERNEL); + pool = kzalloc(sizeof(*pool), GFP_KERNEL); if (!pool) return NULL; |