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Date: Sat, 29 Nov 2014 19:23:55 +0800 From: Ganesh Mahendran <opensource.ganesh@...il.com> To: minchan@...nel.org, ngupta@...are.org, ddstreet@...e.org Cc: akpm@...ux-foundation.org, linux-mm@...ck.org, linux-kernel@...r.kernel.org, Ganesh Mahendran <opensource.ganesh@...il.com> Subject: [RFC PATCH] 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@...il.com> --- mm/zsmalloc.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/mm/zsmalloc.c b/mm/zsmalloc.c index 2021df5..4d0a063 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; -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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