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authorDavid S. Miller <davem@davemloft.net>2014-07-16 14:09:34 -0700
committerDavid S. Miller <davem@davemloft.net>2014-07-16 14:09:34 -0700
commit1a98c69af1ecd97bfd1f4e4539924a9192434e36 (patch)
treea243defcf921ea174f8e43fce11d06830a6a9c36 /mm/memory-failure.c
parent7a575f6b907ea5d207d2b5010293c189616eae34 (diff)
parentb6603fe574af289dbe9eb9fb4c540bca04f5a053 (diff)
downloadlinux-1a98c69af1ecd97bfd1f4e4539924a9192434e36.tar.bz2
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'mm/memory-failure.c')
-rw-r--r--mm/memory-failure.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/mm/memory-failure.c b/mm/memory-failure.c
index cd8989c1027e..c6399e328931 100644
--- a/mm/memory-failure.c
+++ b/mm/memory-failure.c
@@ -895,7 +895,7 @@ static int hwpoison_user_mappings(struct page *p, unsigned long pfn,
struct page *hpage = *hpagep;
struct page *ppage;
- if (PageReserved(p) || PageSlab(p))
+ if (PageReserved(p) || PageSlab(p) || !PageLRU(p))
return SWAP_SUCCESS;
/*
@@ -1159,9 +1159,6 @@ int memory_failure(unsigned long pfn, int trapno, int flags)
action_result(pfn, "free buddy, 2nd try", DELAYED);
return 0;
}
- action_result(pfn, "non LRU", IGNORED);
- put_page(p);
- return -EBUSY;
}
}
@@ -1194,6 +1191,9 @@ int memory_failure(unsigned long pfn, int trapno, int flags)
return 0;
}
+ if (!PageHuge(p) && !PageTransTail(p) && !PageLRU(p))
+ goto identify_page_state;
+
/*
* For error on the tail page, we should set PG_hwpoison
* on the head page to show that the hugepage is hwpoisoned
@@ -1243,6 +1243,7 @@ int memory_failure(unsigned long pfn, int trapno, int flags)
goto out;
}
+identify_page_state:
res = -EBUSY;
/*
* The first check uses the current page flags which may not have any