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| author | Kirill A. Shutemov <kirill.shutemov@linux.intel.com> | 2013-11-15 02:31:43 +0400 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-11-15 04:32:19 +0400 |
| commit | 76b3aec332e74596c517e1198764a5aeb8ea8398 (patch) | |
| tree | 1cee055c301b61846b17b2b58a1d0ce2adfcb5c8 /arch/tile/mm | |
| parent | 1ae9ae5f7df726c67736c643c1f03f7bdfe748eb (diff) | |
| download | linux-76b3aec332e74596c517e1198764a5aeb8ea8398.tar.xz | |
tile: handle pgtable_page_ctor() fail
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Acked-by: Chris Metcalf <cmetcalf@tilera.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/tile/mm')
| -rw-r--r-- | arch/tile/mm/pgtable.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/arch/tile/mm/pgtable.c b/arch/tile/mm/pgtable.c index 4fd9ec0b58ed..5e86eac4bfae 100644 --- a/arch/tile/mm/pgtable.c +++ b/arch/tile/mm/pgtable.c @@ -241,6 +241,11 @@ struct page *pgtable_alloc_one(struct mm_struct *mm, unsigned long address, 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_struct *mm, unsigned long address, inc_zone_page_state(p+i, NR_PAGETABLE); } - pgtable_page_ctor(p); return p; } |