| Date | Sun, 13 Oct 2013 18:07:43 +0800 | From | Lennox Wu <> | Subject | Re: [PATCH 25/34] score: handle pgtable_page_ctor() fail |
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Thanks.
Acked-by: Lennox Wu <lennox.wu@gmail.com>
於 2013/10/11 上午 02:05, Kirill A. Shutemov 提到: > Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> > Cc: Chen Liqin <liqin.chen@sunplusct.com> > Cc: Lennox Wu <lennox.wu@gmail.com> > --- > arch/score/include/asm/pgalloc.h | 9 ++++++--- > 1 file changed, 6 insertions(+), 3 deletions(-) > > diff --git a/arch/score/include/asm/pgalloc.h b/arch/score/include/asm/pgalloc.h > index 059a61b707..2a861ffbd5 100644 > --- a/arch/score/include/asm/pgalloc.h > +++ b/arch/score/include/asm/pgalloc.h > @@ -54,9 +54,12 @@ static inline struct page *pte_alloc_one(struct mm_struct *mm, > struct page *pte; > > pte = alloc_pages(GFP_KERNEL | __GFP_REPEAT, PTE_ORDER); > - if (pte) { > - clear_highpage(pte); > - pgtable_page_ctor(pte); > + if (!pte) > + return NULL; > + clear_highpage(pte); > + if (!pgtable_page_ctor(pte)) { > + __free_page(pte); > + return NULL; > } > return pte; > }
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