From: Izik Eidus <ieidus@redhat.com>
Date: Wed, 23 Sep 2009 22:56:04 +0000 (-0700)
Subject: ksm: change default values to better fit into mainline kernel
X-Git-Tag: v2.6.32-rc1~142
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2c6854fdadf940678fd54779b778f6faafb870bb;p=pandora-kernel.git

ksm: change default values to better fit into mainline kernel

Now that ksm is in mainline it is better to change the default values to
better fit to most of the users.

This patch change the ksm default values to be:

	ksm_thread_pages_to_scan = 100 (instead of 200)
	ksm_thread_sleep_millisecs = 20 (like before)
	ksm_run = KSM_RUN_STOP (instead of KSM_RUN_MERGE - meaning ksm is
	                        disabled by default)
	ksm_max_kernel_pages = nr_free_buffer_pages / 4 (instead of 2046)

The important aspect of this patch is: it disables ksm by default, and sets
the number of the kernel_pages that can be allocated to be a reasonable
number.

Signed-off-by: Izik Eidus <ieidus@redhat.com>
Cc: Hugh Dickins <hugh.dickins@tiscali.co.uk>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

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