From: Jonathan Corbet <corbet@lwn.net>
To: Ebru Akagunduz <ebru.akagunduz@gmail.com>
Cc: linux-mm@kvack.org, riel@redhat.com, mgorman@suse.de,
hughd@google.com, kirill.shutemov@linux.intel.com,
akpm@linux-foundation.org, dave@stgolabs.net,
aulmcquad@gmail.com, sasha.levin@oracle.com, xemul@parallels.com,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] doc: add information about max_ptes_none
Date: Fri, 27 Feb 2015 15:14:44 -0700 [thread overview]
Message-ID: <20150227151444.05ce1b31@lwn.net> (raw)
In-Reply-To: <1424986476-6438-1-git-send-email-ebru.akagunduz@gmail.com>
On Thu, 26 Feb 2015 23:34:36 +0200
Ebru Akagunduz <ebru.akagunduz@gmail.com> wrote:
> 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.
Applied to the docs tree, thanks.
jon
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next prev parent reply other threads:[~2015-02-27 22:14 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-02-26 21:34 Ebru Akagunduz
2015-02-27 22:14 ` Jonathan Corbet [this message]
2015-03-02 12:56 ` Sasha Levin
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