From: Pauli Nieminen <suokkos@gmail.com>
Date: Thu, 1 Apr 2010 12:45:01 +0000 (+0000)
Subject: arch/x86: Add array variants for setting memory to wc caching.
X-Git-Tag: v2.6.35-rc1~451^2~90^2~4
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4f64625412be120cef9e9b97e88c406ec2c78027;p=pandora-kernel.git

arch/x86: Add array variants for setting memory to wc caching.

Setting single memory pages at a time to wc takes a lot time in cache flush. To
reduce number of cache flush set_pages_array_wc and set_memory_array_wc can be
used to set multiple pages to WC with single cache flush.

This improves allocation performance for wc cached pages in drm/ttm.

CC: Suresh Siddha <suresh.b.siddha@intel.com>
CC: Venkatesh Pallipadi <venkatesh.pallipadi@gmail.com>
Signed-off-by: Pauli Nieminen <suokkos@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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