From: Shaohua Li <shaohua.li@intel.com>
Date: Wed, 20 Oct 2010 03:07:02 +0000 (+0800)
Subject: percpu: Introduce a read-mostly percpu API
X-Git-Tag: v2.6.37-rc1~203^2~3
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c957ef2c59e952803766ddc22e89981ab534606f;p=pandora-kernel.git

percpu: Introduce a read-mostly percpu API

Add a new readmostly percpu section and API.  This can be used to
avoid dirtying data lines which are generally not written to, which is
especially important for data which may be accessed by processors
other than the one for which the percpu area belongs to.

[ hpa: moved it *after* the page-aligned section, for obvious
  reasons. ]

Signed-off-by: Shaohua Li <shaohua.li@intel.com>
LKML-Reference: <1287544022.4571.7.camel@sli10-conroe.sh.intel.com>
Cc: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
---

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