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authorLi Zefan <lizf@cn.fujitsu.com>2009-04-02 16:57:52 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-04-02 19:04:57 -0700
commit010cfac4ca0f9e85f54ba2117a372e72f4fb9a60 (patch)
tree47b8ed65b2e3cdfe269794545995020947a667a6 /net/tipc
parent3b6766fe668b83c8a03c6ed01bcc2ac77cbae848 (diff)
cpuset: avoid changing cpuset's mems when errno returned
When writing to cpuset.mems, cpuset has to update its mems_allowed before calling update_tasks_nodemask(), but this function might return -ENOMEM. To avoid this rare case, we allocate the memory before changing mems_allowed, and then pass to update_tasks_nodemask(). Similar to what update_cpumask() does. Signed-off-by: Li Zefan <lizf@cn.fujitsu.com> Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: Paul Menage <menage@google.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'net/tipc')
0 files changed, 0 insertions, 0 deletions