From: Yaowei Bai Date: Tue, 8 Sep 2015 22:04:13 +0000 (-0700) Subject: mm/page_alloc.c: change sysctl_lower_zone_reserve_ratio to sysctl_lowmem_reserve_rati... X-Git-Tag: v4.14-rc1~4721^2~20 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=34b100605cb7e201d5c4e39f54d0e11caa950733;p=platform%2Fkernel%2Flinux-rpi.git mm/page_alloc.c: change sysctl_lower_zone_reserve_ratio to sysctl_lowmem_reserve_ratio in comments We use sysctl_lowmem_reserve_ratio rather than sysctl_lower_zone_reserve_ratio to determine how aggressive the kernel is in defending lowmem from the possibility of being captured into pinned user memory. To avoid misleading, correct it in some comments. Signed-off-by: Yaowei Bai Acked-by: Michal Hocko Acked-by: David Rientjes Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 59abb47..5e8e99d 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -6075,7 +6075,7 @@ void __init page_alloc_init(void) } /* - * calculate_totalreserve_pages - called when sysctl_lower_zone_reserve_ratio + * calculate_totalreserve_pages - called when sysctl_lowmem_reserve_ratio * or min_free_kbytes changes. */ static void calculate_totalreserve_pages(void) @@ -6119,7 +6119,7 @@ static void calculate_totalreserve_pages(void) /* * setup_per_zone_lowmem_reserve - called whenever - * sysctl_lower_zone_reserve_ratio changes. Ensures that each zone + * sysctl_lowmem_reserve_ratio changes. Ensures that each zone * has a correct pages reserved value, so an adequate number of * pages are left in the zone after a successful __alloc_pages(). */