From: Dave Hansen <dave.hansen@linux.intel.com>
Date: Thu, 31 Jul 2014 15:41:01 +0000 (-0700)
Subject: x86/mm: New tunable for single vs full TLB flush
X-Git-Tag: omap-for-v3.17/fixes-against-rc2~173^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2d040a1ce903ca5d6e7c983621fb29c6883c4c48;p=pandora-kernel.git

x86/mm: New tunable for single vs full TLB flush

Most of the logic here is in the documentation file.  Please take
a look at it.

I know we've come full-circle here back to a tunable, but this
new one is *WAY* simpler.  I challenge anyone to describe in one
sentence how the old one worked.  Here's the way the new one
works:

	If we are flushing more pages than the ceiling, we use
	the full flush, otherwise we use per-page flushes.

Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com>
Link: http://lkml.kernel.org/r/20140731154101.12B52CAF@viggo.jf.intel.com
Acked-by: Rik van Riel <riel@redhat.com>
Acked-by: Mel Gorman <mgorman@suse.de>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
---

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