From: Li Zefan <lizefan@huawei.com>
Date: Fri, 29 Mar 2013 06:37:29 +0000 (+0800)
Subject: sched/cpuacct: Remove redundant NULL checks in cpuacct_charge()
X-Git-Tag: omap-for-v3.10/dt-fixes-for-merge-window~118^2~17
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=543bc0e76e6bb84300eaf9833edc5a481f788678;p=pandora-kernel.git

sched/cpuacct: Remove redundant NULL checks in cpuacct_charge()

This is a micro optimization for the hot path.

- We don't need to check if @ca is NULL in parent_ca().
- We don't need to check if @ca is NULL in the beginning of the for loop.

Signed-off-by: Li Zefan <lizefan@huawei.com>
Acked-by: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/515536A9.5000700@huawei.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
---

Reading git-diff-tree failed