Subject: + tile-handle-pgtable_page_ctor-fail.patch added to -mm tree
To: kirill.shutemov@xxxxxxxxxxxxxxx,cmetcalf@xxxxxxxxxx
From: akpm@xxxxxxxxxxxxxxxxxxxx
Date: Thu, 10 Oct 2013 13:56:27 -0700
The patch titled
Subject: tile: handle pgtable_page_ctor() fail
has been added to the -mm tree. Its filename is
tile-handle-pgtable_page_ctor-fail.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/tile-handle-pgtable_page_ctor-fail.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/tile-handle-pgtable_page_ctor-fail.patch
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------------------------------------------------------
From: "Kirill A. Shutemov" <kirill.shutemov@xxxxxxxxxxxxxxx>
Subject: tile: handle pgtable_page_ctor() fail
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx>
Acked-by: Chris Metcalf <cmetcalf@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
arch/tile/mm/pgtable.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff -puN arch/tile/mm/pgtable.c~tile-handle-pgtable_page_ctor-fail arch/tile/mm/pgtable.c
--- a/arch/tile/mm/pgtable.c~tile-handle-pgtable_page_ctor-fail
+++ a/arch/tile/mm/pgtable.c
@@ -241,6 +241,11 @@ struct page *pgtable_alloc_one(struct mm
if (p == NULL)
return NULL;
+ if (!pgtable_page_ctor(p)) {
+ __free_pages(p, L2_USER_PGTABLE_ORDER);
+ return NULL;
+ }
+
/*
* Make every page have a page_count() of one, not just the first.
* We don't use __GFP_COMP since it doesn't look like it works
@@ -251,7 +256,6 @@ struct page *pgtable_alloc_one(struct mm
inc_zone_page_state(p+i, NR_PAGETABLE);
}
- pgtable_page_ctor(p);
return p;
}
_
Patches currently in -mm which might be from kirill.shutemov@xxxxxxxxxxxxxxx are
mm-huge_memoryc-fix-stale-comments-of-transparent_hugepage_flags.patch
mm-thp-cleanup-mv-alloc_hugepage-to-better-place.patch
mm-thp-khugepaged-add-policy-for-finding-target-node.patch
mm-thp-khugepaged-add-policy-for-finding-target-node-fix.patch
mm-avoid-increase-sizeofstruct-page-due-to-split-page-table-lock.patch
mm-rename-use_split_ptlocks-to-use_split_pte_ptlocks.patch
mm-convert-mm-nr_ptes-to-atomic_long_t.patch
mm-introduce-api-for-split-page-table-lock-for-pmd-level.patch
mm-thp-change-pmd_trans_huge_lock-to-return-taken-lock.patch
mm-thp-move-ptl-taking-inside-page_check_address_pmd.patch
mm-thp-do-not-access-mm-pmd_huge_pte-directly.patch
mm-hugetlb-convert-hugetlbfs-to-use-split-pmd-lock.patch
mm-hugetlb-convert-hugetlbfs-to-use-split-pmd-lock-checkpatch-fixes.patch
mm-convert-the-rest-to-new-page-table-lock-api.patch
mm-implement-split-page-table-lock-for-pmd-level.patch
x86-mm-enable-split-page-table-lock-for-pmd-level.patch
x86-mm-enable-split-page-table-lock-for-pmd-level-checkpatch-fixes.patch
x86-add-missed-pgtable_pmd_page_ctor-dtor-calls-for-preallocated-pmds.patch
cris-fix-potential-null-pointer-dereference.patch
m32r-fix-potential-null-pointer-dereference.patch
xtensa-fix-potential-null-pointer-dereference.patch
mm-allow-pgtable_page_ctor-to-fail.patch
microblaze-add-missing-pgtable_page_ctor-dtor-calls.patch
mn10300-add-missing-pgtable_page_ctor-dtor-calls.patch
openrisc-add-missing-pgtable_page_ctor-dtor-calls.patch
alpha-handle-pgtable_page_ctor-fail.patch
arc-handle-pgtable_page_ctor-fail.patch
arm-handle-pgtable_page_ctor-fail.patch
arm64-handle-pgtable_page_ctor-fail.patch
avr32-handle-pgtable_page_ctor-fail.patch
cris-handle-pgtable_page_ctor-fail.patch
frv-handle-pgtable_page_ctor-fail.patch
hexagon-handle-pgtable_page_ctor-fail.patch
ia64-handle-pgtable_page_ctor-fail.patch
m32r-handle-pgtable_page_ctor-fail.patch
m68k-handle-pgtable_page_ctor-fail.patch
metag-handle-pgtable_page_ctor-fail.patch
mips-handle-pgtable_page_ctor-fail.patch
parisc-handle-pgtable_page_ctor-fail.patch
powerpc-handle-pgtable_page_ctor-fail.patch
s390-handle-pgtable_page_ctor-fail.patch
score-handle-pgtable_page_ctor-fail.patch
sh-handle-pgtable_page_ctor-fail.patch
sparc-handle-pgtable_page_ctor-fail.patch
tile-handle-pgtable_page_ctor-fail.patch
um-handle-pgtable_page_ctor-fail.patch
unicore32-handle-pgtable_page_ctor-fail.patch
x86-handle-pgtable_page_ctor-fail.patch
xtensa-handle-pgtable_page_ctor-fail.patch
iommu-arm-smmu-handle-pgtable_page_ctor-fail.patch
mm-dynamically-allocate-page-ptl-if-it-cannot-be-embedded-to-struct-page.patch
thp-mm-locking-tail-page-is-a-bug.patch
mm-drop-actor-argument-of-do_generic_file_read.patch
mm-drop-actor-argument-of-do_generic_file_read-fix.patch
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