cpuset: remove on stack cpumask_t in cpuset_can_attach()
authorLi Zefan <lizf@cn.fujitsu.com>
Thu, 8 Jan 2009 02:08:41 +0000 (18:08 -0800)
committerLinus Torvalds <torvalds@linux-foundation.org>
Thu, 8 Jan 2009 16:31:11 +0000 (08:31 -0800)
commit5771f0a2236df69683e9abea87f35f522c97ff94
treeafc960ceac00ab20f2139496e4fa9feeea516467
parent5a7625df725a486ad600b0036b6111dbd6321c41
cpuset: remove on stack cpumask_t in cpuset_can_attach()

Impact: reduce stack usage

Just use cs->cpus_allowed, and no need to allocate a cpumask_var_t.

Signed-off-by: Li Zefan <lizf@cn.fujistu.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Acked-by: Mike Travis <travis@sgi.com>
Cc: Paul Menage <menage@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
kernel/cpuset.c