From: Paul Turner <pjt@google.com>
Date: Thu, 4 Oct 2012 11:18:31 +0000 (+0200)
Subject: sched: Update_cfs_shares at period edge
X-Git-Tag: omap-for-v3.8/fixes-for-merge-window-v4-signed~75^2~8
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f269ae0469fc882332bdfb5db15d3c1315fe2a10;p=pandora-kernel.git

sched: Update_cfs_shares at period edge

Now that our measurement intervals are small (~1ms) we can amortize the posting
of update_shares() to be about each period overflow.  This is a large cost
saving for frequently switching tasks.

Signed-off-by: Paul Turner <pjt@google.com>
Reviewed-by: Ben Segall <bsegall@google.com>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/20120823141507.200772172@google.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
---

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