From 4755b72e261478b48337e0e54c8448cbea32c5c8 Mon Sep 17 00:00:00 2001
From: San Mehat <san@google.com>
Date: Wed, 5 May 2010 11:38:42 -0700
Subject: [PATCH] staging: android: lowmemkiller: Substantially reduce overhead
 during reclaim

This patch optimizes lowmemkiller to not do any work when it has an outstanding
kill-request. This greatly reduces the pressure on the task_list lock
(improving interactivity), as well as improving the vmscan performance
when under heavy memory pressure (by up to 20x in tests).

Note: For this enhancement to work, you need CONFIG_PROFILING

Signed-off-by: San Mehat <san@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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