From: Joerg Roedel <jroedel@suse.de>
Date: Mon, 21 Jul 2014 10:26:59 +0000 (+0200)
Subject: PM / Hibernate: Implement position keeping in radix tree
X-Git-Tag: cleanup-for-v3.18~101^2~4^2~3
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3a20cb1779616ebcaade393cc9beac0e03cbffef;p=pandora-kernel.git

PM / Hibernate: Implement position keeping in radix tree

Add code to remember the last position that was requested in
the radix tree. Use it as a cache for faster linear walking
of the bitmap in the memory_bm_rtree_next_pfn() function
which is also added with this patch.

Signed-off-by: Joerg Roedel <jroedel@suse.de>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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