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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2014-07-14 00:26:47 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2014-07-14 00:26:47 +0200
commit9f48c89862e39b7f33b44123fc425cf901c89428 (patch)
tree373886606ada8c2e0c362afbcce490af27d21552 /mm/memory-failure.c
parentthunderbolt: Use kcalloc (diff)
parentLinux 3.16-rc5 (diff)
downloadlinux-9f48c89862e39b7f33b44123fc425cf901c89428.tar.xz
linux-9f48c89862e39b7f33b44123fc425cf901c89428.zip
Merge 3.16-rc5 into char-misc-next
This resolves a number of merge issues with changes in this tree and Linus's tree at the same time. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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