]> git.openfabrics.org - ~shefty/rdma-dev.git/commitdiff
generic-ipi: fix hotplug_cfd()
authorXiao Guangrong <xiaoguangrong@cn.fujitsu.com>
Thu, 6 Aug 2009 22:07:29 +0000 (15:07 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Fri, 7 Aug 2009 17:39:55 +0000 (10:39 -0700)

When hot-unpluging a cpu, it will leak memory allocated at cpu hotplug,
but only if CPUMASK_OFFSTACK=y, which is default to n.

The bug was introduced by 8969a5ede0f9e17da4b943712429aef2c9bcd82b
("generic-ipi: remove kmalloc()").

Signed-off-by: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Jens Axboe <jens.axboe@oracle.com>
Cc: Nick Piggin <nickpiggin@yahoo.com.au>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

index ad63d8501207836353ad91d15f94fb3aaa4c0c1b..94188b8ecc33ea2bc7a232cd0ca362aa15f753fb 100644 (file)
@@ -57,7 +57,7 @@ hotplug_cfd(struct notifier_block *nfb, unsigned long action, void *hcpu)
                        return NOTIFY_BAD;
        case CPU_UP_CANCELED: