From 7fd272550bd43cc1d7289ef0ab2fa50de137e767 Mon Sep 17 00:00:00 2001 From: Linus Torvalds Date: Sun, 9 Dec 2007 10:14:36 -0800 Subject: Avoid double memclear() in SLOB/SLUB Both slob and slub react to __GFP_ZERO by clearing the allocation, which means that passing the GFP_ZERO bit down to the page allocator is just wasteful and pointless. Acked-by: Matt Mackall Reviewed-by: Pekka Enberg Signed-off-by: Linus Torvalds --- mm/slob.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'mm/slob.c') diff --git a/mm/slob.c b/mm/slob.c index ee2ef8af0d43..773a7aa80ab5 100644 --- a/mm/slob.c +++ b/mm/slob.c @@ -330,7 +330,7 @@ static void *slob_alloc(size_t size, gfp_t gfp, int align, int node) /* Not enough space: must allocate a new page */ if (!b) { - b = slob_new_page(gfp, 0, node); + b = slob_new_page(gfp & ~__GFP_ZERO, 0, node); if (!b) return 0; sp = (struct slob_page *)virt_to_page(b); -- cgit v1.2.3-59-g8ed1b