tree 6f4270c825c2df9f4a361360dab0963ecaed34c1
parent 08992986497471ce575f23796268fb1b50b5c2ab
author KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> 1159226731 -0700
committer Linus Torvalds <torvalds@g5.osdl.org> 1159231116 -0700

[PATCH] cpu to node relationship fixup: map cpu to node

Assume that a cpu is *physically* offlined at boot time...

Because smpboot.c::smp_boot_cpu_map() canoot find cpu's sapicid,
numa.c::build_cpu_to_node_map() cannot build cpu<->node map for
offlined cpu.

For such cpus, cpu_to_node map should be fixed at cpu-hot-add.
This mapping should be done before cpu onlining.

This patch also handles cpu hotremove case.

Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: "Luck, Tony" <tony.luck@intel.com>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>