ia64: handle pgtable_page_ctor() fail

Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/arch/ia64/include/asm/pgalloc.h b/arch/ia64/include/asm/pgalloc.h
index 96a8d927db2851c9c17d8b48f6b47da66f9dd572..5767cdfc08db8b671e2536bb093fbe4a921e47c7 100644 (file)
--- a/arch/ia64/include/asm/pgalloc.h
+++ b/arch/ia64/include/asm/pgalloc.h
@@ -91,7 +91,10 @@ static inline pgtable_t pte_alloc_one(struct mm_struct *mm, unsigned long addr)
        if (!pg)
                return NULL;
        page = virt_to_page(pg);
-       pgtable_page_ctor(page);
+       if (!pgtable_page_ctor(page)) {
+               quicklist_free(0, NULL, pg);
+               return NULL;
+       }
        return page;
 }