Messages in this thread Patch in this message | | | Date | Tue, 5 May 2009 10:07:33 +0400 | From | Cyrill Gorcunov <> | Subject | [PATCH -mmotm] mm: setup_per_zone_inactive_ratio - do not call for int_sqrt if not needed |
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int_sqrt returns 0 iif argument is zero so call it if only needed.
Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org> --- mm/page_alloc.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-)
Index: linux-2.6.git/mm/page_alloc.c ===================================================================== --- linux-2.6.git.orig/mm/page_alloc.c +++ linux-2.6.git/mm/page_alloc.c @@ -4553,8 +4553,9 @@ static void setup_per_zone_inactive_rati /* Zone size in gigabytes */ gb = zone->present_pages >> (30 - PAGE_SHIFT); - ratio = int_sqrt(10 * gb); - if (!ratio) + if (gb) + ratio = int_sqrt(10 * gb); + else ratio = 1; zone->inactive_ratio = ratio;
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