• Mel Gorman's avatar
    mm: numa: do not trap faults on the huge zero page · e944fd67
    Mel Gorman authored
    Faults on the huge zero page are pointless and there is a BUG_ON to catch
    them during fault time.  This patch reintroduces a check that avoids
    marking the zero page PAGE_NONE.
    Signed-off-by: default avatarMel Gorman <mgorman@suse.de>
    Cc: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
    Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
    Cc: Dave Jones <davej@redhat.com>
    Cc: Hugh Dickins <hughd@google.com>
    Cc: Ingo Molnar <mingo@redhat.com>
    Cc: Kirill Shutemov <kirill.shutemov@linux.intel.com>
    Cc: Linus Torvalds <torvalds@linux-foundation.org>
    Cc: Paul Mackerras <paulus@samba.org>
    Cc: Rik van Riel <riel@redhat.com>
    Cc: Sasha Levin <sasha.levin@oracle.com>
    Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
    Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
    e944fd67
huge_memory.c 77.9 KB