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(parent: adb51a1) | patch
VM: allow get_page_unless_zero on compound pages
authorChristoph Lameter <clameter@sgi.com>
Tue, 5 Feb 2008 06:28:35 +0000 (22:28 -0800)
committerLinus Torvalds <torvalds@woody.linux-foundation.org>
Tue, 5 Feb 2008 17:44:14 +0000 (09:44 -0800)
commit86e8b15f7cb2804106b273eea1fb3d34665d55d1
treeb4fcc3f69567eafe956d2fd0af37ba5ca008c531tree | snapshot
parentadb51a18eb097537958a4e918a57025fcb6054aacommit | diff
VM: allow get_page_unless_zero on compound pages

Both slab defrag and the large blocksize patches need to ability to take
refcounts on compound pages.  May be useful in other places as well.

Signed-off-by: Christoph Lameter <clameter@sgi.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
include/linux/mm.h diff | blob | history
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