From: Andrew Morton <akpm@osdl.org>
Date: Wed, 8 Mar 2006 05:55:31 +0000 (-0800)
Subject: [PATCH] percpu_counter_sum()
X-Git-Tag: v2.6.16-rc6~70
X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e2bab3d92486fb781f4d06f56339264ed1492392;p=pandora-kernel.git

[PATCH] percpu_counter_sum()

Implement percpu_counter_sum().  This is a more accurate but slower version of
percpu_counter_read_positive().

We need this for Alex's speedup-ext3_statfs patch and for the nr_file
accounting fix.  Otherwise these things would be too inaccurate on large CPU
counts.

Cc: Ravikiran G Thirumalai <kiran@scalex86.org>
Cc: Alex Tomas <alex@clusterfs.com>
Cc: "David S. Miller" <davem@davemloft.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---

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