| From | "Kirill A. Shutemov" <> | Subject | [PATCH 28/34] tile: handle pgtable_page_ctor() fail | Date | Thu, 10 Oct 2013 21:05:53 +0300 |
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Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Cc: Chris Metcalf <cmetcalf@tilera.com> --- arch/tile/mm/pgtable.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/arch/tile/mm/pgtable.c b/arch/tile/mm/pgtable.c index 4fd9ec0b58..5e86eac4bf 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; } -- 1.8.4.rc3
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