From: Ravikiran G Thirumalai <kiran@scalex86.org>
Date: Thu, 22 Jun 2006 21:47:26 +0000 (-0700)
Subject: [PATCH] avoid tasklist_lock at getrusage for multithreaded case too
X-Git-Tag: v2.6.18-rc1~1081^2~234
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=de047c1bcd7f7bcfbdc29eb5b439fb332594da3f;p=pandora-kernel.git

[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>
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