Messages in this thread Patch in this message | | | From | Mahendran Ganesh <> | Subject | [RFC PATCH] mm/zsmalloc: remove unnecessary check | Date | Thu, 20 Nov 2014 21:21:56 +0800 |
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ZS_SIZE_CLASSES is calc by: ((ZS_MAX_ALLOC_SIZE - ZS_MIN_ALLOC_SIZE) / ZS_SIZE_CLASS_DELTA + 1)
So when i is in [0, ZS_SIZE_CLASSES - 1), the size: size = ZS_MIN_ALLOC_SIZE + i * ZS_SIZE_CLASS_DELTA will not be greater than ZS_MAX_ALLOC_SIZE
This patch removes the unnecessary check.
Signed-off-by: Mahendran Ganesh <opensource.ganesh@gmail.com> --- mm/zsmalloc.c | 2 -- 1 file changed, 2 deletions(-)
diff --git a/mm/zsmalloc.c b/mm/zsmalloc.c index b3b57ef..f2279e2 100644 --- a/mm/zsmalloc.c +++ b/mm/zsmalloc.c @@ -973,8 +973,6 @@ struct zs_pool *zs_create_pool(gfp_t flags) struct size_class *prev_class; size = ZS_MIN_ALLOC_SIZE + i * ZS_SIZE_CLASS_DELTA; - if (size > ZS_MAX_ALLOC_SIZE) - size = ZS_MAX_ALLOC_SIZE; pages_per_zspage = get_pages_per_zspage(size); /* -- 1.7.9.5
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