From bd1ce5f91f545730df4af492f774d9d32f5da3cb Mon Sep 17 00:00:00 2001 From: Wu Fengguang Date: Wed, 16 Dec 2009 12:19:57 +0100 Subject: HWPOISON: avoid grabbing the page count multiple times during madvise injection If page is double referenced in madvise_hwpoison() and __memory_failure(), remove_mapping() will fail because it expects page_count=2. Fix it by not grabbing extra page count in __memory_failure(). Signed-off-by: Wu Fengguang Signed-off-by: Andi Kleen --- mm/madvise.c | 1 - 1 file changed, 1 deletion(-) (limited to 'mm/madvise.c') diff --git a/mm/madvise.c b/mm/madvise.c index 35b1479b7c9d..18970aec0d2f 100644 --- a/mm/madvise.c +++ b/mm/madvise.c @@ -238,7 +238,6 @@ static int madvise_hwpoison(unsigned long start, unsigned long end) page_to_pfn(p), start); /* Ignore return value for now */ __memory_failure(page_to_pfn(p), 0, 1); - put_page(p); } return ret; } -- cgit v1.2.3