tree ff0d52044559971b8d68aaeb00fc7b6a876b3a3d
parent c89681ed7d0e4a61d35bdc12c06c6733b718b2cb
author Ravikiran G Thirumalai <kiran@scalex86.org> 1151012846 -0700
committer Linus Torvalds <torvalds@g5.osdl.org> 1151013957 -0700

[PATCH] avoid tasklist_lock at getrusage for multithreaded case too

Avoid taking tasklist_lock for at getrusage for the multithreaded case too.
We don't need to take the tasklist lock for thread traversal of a process
since Oleg's do-__unhash_process-under-siglock.patch and related work.

Signed-off-by: Ravikiran Thirumalai <kiran@scalex86.org>
Cc: Oleg Nesterov <oleg@tv-sign.ru>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>