Commit cecbd1b5 authored Nov 14, 2013 by Kirill A. Shutemov Committed by Linus Torvalds Nov 15, 2013

x86: handle pgtable_page_ctor() fail



Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

parent e90bedbb

arch/x86/mm/pgtable.c

+6 −2

Original line number	Diff line number	Diff line
		@@ -25,8 +25,12 @@ pgtable_t pte_alloc_one(struct mm_struct *mm, unsigned long address)
		struct page *pte;

		pte = alloc_pages(__userpte_alloc_gfp, 0);
		if (pte)
		pgtable_page_ctor(pte);
		if (!pte)
		return NULL;
		if (!pgtable_page_ctor(pte)) {
		__free_page(pte);
		return NULL;
		}
		return pte;
		}