From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Fri, 4 Nov 2011 23:19:28 +0000 (+0000)
Subject: net: better pcpu data alignment
X-Git-Tag: v3.3-rc1~182^2~639
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8ce120f11898c921329a5f618d01dcc1e8e69cac;p=pandora-kernel.git

net: better pcpu data alignment

Tunnels can force an alignment of their percpu data to reduce number of
cache lines used in fast path, or read in .ndo_get_stats()

percpu_alloc() is a very fine grained allocator, so any small hole will
be used anyway.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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