From: Peter Zijlstra <a.p.zijlstra@chello.nl>
Date: Tue, 5 May 2009 15:50:24 +0000 (+0200)
Subject: perf_counter: provide an mlock threshold
X-Git-Tag: v2.6.31-rc1~383^2~299
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c5078f78b455fbf67ea71442c7e7ca8acf9ff095;p=pandora-kernel.git

perf_counter: provide an mlock threshold

Provide a threshold to relax the mlock accounting, increasing usability.

Each counter gets perf_counter_mlock_kb for free.

[ Impact: allow more mmap buffering ]

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
LKML-Reference: <20090505155437.112113632@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---

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