From: Alexey Starikovskiy <astarikovskiy@suse.de>
Date: Wed, 26 May 2010 03:53:07 +0000 (+0800)
Subject: ACPICA: Performance enhancement for namespace search and access
X-Git-Tag: v2.6.36-rc1~491^2~21
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c45b5c097001480e66d4c523eb715ad317a4ef77;p=pandora-kernel.git

ACPICA: Performance enhancement for namespace search and access

This change enhances the performance of namespace searches and
walks by adding a backpointer to the parent in each namespace
node. On large namespaces, this change can improve overall ACPI
performance by up to 9X.  Adding a pointer to each namespace node
increases the overall size of the internal namespace by about 5%,
since each namespace entry usually consists of both a namespace
node and an ACPI operand object.

Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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