arm: handle pgtable_page_ctor() fail
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Cc: Russell King <linux@arm.linux.org.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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@ -102,12 +102,14 @@ pte_alloc_one(struct mm_struct *mm, unsigned long addr)
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#else
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#else
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pte = alloc_pages(PGALLOC_GFP, 0);
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pte = alloc_pages(PGALLOC_GFP, 0);
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#endif
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#endif
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if (pte) {
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if (!pte)
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if (!PageHighMem(pte))
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return NULL;
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clean_pte_table(page_address(pte));
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if (!PageHighMem(pte))
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pgtable_page_ctor(pte);
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clean_pte_table(page_address(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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}
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return pte;
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return pte;
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}
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}
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