tree 776a297ef8bd8a879da74290543907014abe6198
parent dec4ad86c2fbea062e9ef9caa6d6e79f7c5e0b12
author Christoph Lameter <clameter@sgi.com> 1188544328 -0700
committer Linus Torvalds <torvalds@woody.linux-foundation.org> 1188549743 -0700

Page migration: Do not accept invalid nodes in the target nodeset

Page migration currently does not check if the target of the move contains
nodes that that are invalid (if root attempts to migrate pages)
and may try to allocate from invalid nodes if these are specified
leading to oopses.

Return -EINVAL if an offline node is specified.

Signed-off-by: Christoph Lameter <clameter@sgi.com>
Cc: Shaohua Li <shaohua.li@intel.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>