From: Andi Kleen <ak@xxxxxxxxxxxxxxx> When we call the slab shrinker to free a page we need to stop at page count one because the caller always holds a single reference, not zero. This avoids useless looping over slab shrinkers and freeing too much memory. Signed-off-by: Andi Kleen <ak@xxxxxxxxxxxxxxx> --- mm/memory-failure.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/mm/memory-failure.c b/mm/memory-failure.c index 886144b..7c1af9b 100644 --- a/mm/memory-failure.c +++ b/mm/memory-failure.c @@ -237,7 +237,7 @@ void shake_page(struct page *p, int access) int nr; do { nr = shrink_slab(1000, GFP_KERNEL, 1000); - if (page_count(p) == 0) + if (page_count(p) == 1) break; } while (nr > 10); } -- 1.7.1 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxxx For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>