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authorToshi Kani <toshi.kani@hp.com>2013-11-12 15:08:13 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2013-11-13 12:09:09 +0900
commit807a1bd2b2a38845fd422b93328e7d69f13eb13a (patch)
tree355479f5a20d1ed71261bd9071583651e5983f4e /mm/mmzone.c
parentd7e0b37a87c39f5c02dd7b5d55c7a3ec2f65b943 (diff)
downloadlinux-807a1bd2b2a38845fd422b93328e7d69f13eb13a.tar.gz
mm: clear N_CPU from node_states at CPU offline
vmstat_cpuup_callback() is a CPU notifier callback, which marks N_CPU to a
node at CPU online event.  However, it does not update this N_CPU info at
CPU offline event.

Changed vmstat_cpuup_callback() to clear N_CPU when the last CPU in the
node is put into offline, i.e.  the node no longer has any online CPU.

Signed-off-by: Toshi Kani <toshi.kani@hp.com>
Acked-by: Christoph Lameter <cl@linux.com>
Reviewed-by: Yasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com>
Tested-by: Yasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/mmzone.c')
0 files changed, 0 insertions, 0 deletions