From: Ebru Akagunduz <ebru.akagunduz@gmail.com>
Date: Thu, 26 Feb 2015 21:34:36 +0000 (+0200)
Subject: doc: add information about max_ptes_none
X-Git-Tag: omap-for-v4.1/fixes-rc1~101^2~26
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9ddfa69fb073081882505a4f69d3f0c344d9bcaf;p=pandora-kernel.git

doc: add information about max_ptes_none

max_ptes_none specifies how many extra small pages (that are
not already mapped) can be allocated when collapsing a group
of small pages into one large page.

/sys/kernel/mm/transparent_hugepage/khugepaged/max_ptes_none

A higher value leads to use additional memory for programs.
A lower value leads to gain less thp performance. Value of
max_ptes_none can waste cpu time very little, you can
ignore it.

Signed-off-by: Ebru Akagunduz <ebru.akagunduz@gmail.com>
Reviewed-by: Rik van Riel <riel@redhat.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
---

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