thp: avoid dumping huge zero page
authorKirill A. Shutemov <kirill.shutemov@linux.intel.com>
Mon, 4 Feb 2013 22:28:42 +0000 (14:28 -0800)
committerLinus Torvalds <torvalds@linux-foundation.org>
Tue, 5 Feb 2013 09:38:46 +0000 (20:38 +1100)
commit85facf2570698ca6082326df4d63edebc9c9d96e
treee70ca5a10d99ceb08afbbf3d7db754a5ffbaf8ab
parenta9bae189542e71f91e61a4428adf6e5a7dfe8063
thp: avoid dumping huge zero page

No reason to preserve the huge zero page in core dumps.

Reported-by: Michel Lespinasse <walken@google.com>
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Reviewed-by: Michel Lespinasse <walken@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
mm/huge_memory.c