From: Steven J. Magnani <steve@digidescorp.com>
Date: Wed, 24 Nov 2010 20:56:54 +0000 (-0800)
Subject: nommu: yield CPU while disposing VM
X-Git-Tag: v2.6.37-rc4~56
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=04c3496152394d17e3bc2316f9731ee3e8a026bc;p=pandora-kernel.git

nommu: yield CPU while disposing VM

Depending on processor speed, page size, and the amount of memory a
process is allowed to amass, cleanup of a large VM may freeze the system
for many seconds.  This can result in a watchdog timeout.

Make sure other tasks receive some service when cleaning up large VMs.

Signed-off-by: Steven J. Magnani <steve@digidescorp.com>
Cc: Greg Ungerer <gerg@snapgear.com>
Reviewed-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

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