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score: handle pgtable_page_ctor() fail
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Cc: Chen Liqin <liqin.chen@sunplusct.com> Acked-by: Lennox Wu <lennox.wu@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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@ -54,9 +54,12 @@ static inline struct page *pte_alloc_one(struct mm_struct *mm,
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struct page *pte;
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pte = alloc_pages(GFP_KERNEL | __GFP_REPEAT, PTE_ORDER);
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if (pte) {
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clear_highpage(pte);
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pgtable_page_ctor(pte);
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if (!pte)
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return NULL;
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clear_highpage(pte);
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if (!pgtable_page_ctor(pte)) {
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__free_page(pte);
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return NULL;
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}
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return pte;
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}
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