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sparc: handle pgtable_page_ctor() fail
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Acked-by: David S. Miller <davem@davemloft.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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parent
478cf8ca01
commit
1ae9ae5f7d
2 changed files with 10 additions and 6 deletions
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@ -2519,12 +2519,13 @@ pgtable_t pte_alloc_one(struct mm_struct *mm,
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return pte;
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page = __alloc_for_cache(mm);
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if (page) {
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pgtable_page_ctor(page);
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pte = (pte_t *) page_address(page);
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if (!page)
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return NULL;
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if (!pgtable_page_ctor(page)) {
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free_hot_cold_page(page, 0);
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return NULL;
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}
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return pte;
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return (pte_t *) page_address(page);
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}
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void pte_free_kernel(struct mm_struct *mm, pte_t *pte)
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@ -345,7 +345,10 @@ pgtable_t pte_alloc_one(struct mm_struct *mm, unsigned long address)
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if ((pte = (unsigned long)pte_alloc_one_kernel(mm, address)) == 0)
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return NULL;
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page = pfn_to_page(__nocache_pa(pte) >> PAGE_SHIFT);
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pgtable_page_ctor(page);
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if (!pgtable_page_ctor(page)) {
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__free_page(page);
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return NULL;
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}
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return page;
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}
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