Subject: + mm-hwpoison-release-page-on-pagehwpoison-in-__do_fault.patch added to -mm tree
To: kirill.shutemov@xxxxxxxxxxxxxxx,ak@xxxxxxxxxxxxxxx,dave.hansen@xxxxxxxxxxxxxxx,matthew.r.wilcox@xxxxxxxxx,mgorman@xxxxxxx,n-horiguchi@xxxxxxxxxxxxx,riel@xxxxxxxxxx
From: akpm@xxxxxxxxxxxxxxxxxxxx
Date: Mon, 10 Feb 2014 14:54:05 -0800
The patch titled
Subject: mm, hwpoison: release page on PageHWPoison() in __do_fault()
has been added to the -mm tree. Its filename is
mm-hwpoison-release-page-on-pagehwpoison-in-__do_fault.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/mm-hwpoison-release-page-on-pagehwpoison-in-__do_fault.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/mm-hwpoison-release-page-on-pagehwpoison-in-__do_fault.patch
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------------------------------------------------------
From: "Kirill A. Shutemov" <kirill.shutemov@xxxxxxxxxxxxxxx>
Subject: mm, hwpoison: release page on PageHWPoison() in __do_fault()
It seems we forget to release page after detecting HW error.
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx>
Cc: Mel Gorman <mgorman@xxxxxxx>
Cc: Rik van Riel <riel@xxxxxxxxxx>
Cc: Andi Kleen <ak@xxxxxxxxxxxxxxx>
Cc: Matthew Wilcox <matthew.r.wilcox@xxxxxxxxx>
Cc: Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx>
Cc: Naoya Horiguchi <n-horiguchi@xxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/memory.c | 1 +
1 file changed, 1 insertion(+)
diff -puN mm/memory.c~mm-hwpoison-release-page-on-pagehwpoison-in-__do_fault mm/memory.c
--- a/mm/memory.c~mm-hwpoison-release-page-on-pagehwpoison-in-__do_fault
+++ a/mm/memory.c
@@ -3348,6 +3348,7 @@ static int __do_fault(struct mm_struct *
if (ret & VM_FAULT_LOCKED)
unlock_page(vmf.page);
ret = VM_FAULT_HWPOISON;
+ page_cache_release(vmf.page);
goto uncharge_out;
}
_
Patches currently in -mm which might be from kirill.shutemov@xxxxxxxxxxxxxxx are
pagewalk-update-page-table-walker-core.patch
pagewalk-add-walk_page_vma.patch
smaps-redefine-callback-functions-for-page-table-walker.patch
clear_refs-redefine-callback-functions-for-page-table-walker.patch
pagemap-redefine-callback-functions-for-page-table-walker.patch
numa_maps-redefine-callback-functions-for-page-table-walker.patch
memcg-redefine-callback-functions-for-page-table-walker.patch
madvise-redefine-callback-functions-for-page-table-walker.patch
arch-powerpc-mm-subpage-protc-use-walk_page_vma-instead-of-walk_page_range.patch
pagewalk-remove-argument-hmask-from-hugetlb_entry.patch
mempolicy-apply-page-table-walker-on-queue_pages_range.patch
mm-hwpoison-release-page-on-pagehwpoison-in-__do_fault.patch
mm-rename-__do_fault-do_fault.patch
mm-do_fault-extract-to-call-vm_ops-do_fault-to-separate-function.patch
mm-introduce-do_read_fault.patch
mm-introduce-do_cow_fault.patch
mm-introduce-do_shared_fault-and-drop-do_fault.patch
mm-consolidate-code-to-call-vm_ops-page_mkwrite.patch
mm-consolidate-code-to-setup-pte.patch
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