From: Mike Rapoprt <rppt@linux.vnet.ibm.com>
To: Randy Dunlap <rdunlap@infradead.org>,
Christoph Lameter <cl@linux.com>, Mel Gorman <mel@skynet.ie>
Cc: Matthew Wilcox <willy@infradead.org>,
linux-mm@kvack.org, linux-rdma@vger.kernel.org,
akpm@linux-foundation.org,
Thomas Schoebel-Theuer <tst@schoebel-theuer.de>,
andi@firstfloor.org, Rik van Riel <riel@redhat.com>,
Michal Hocko <mhocko@kernel.org>, Guy Shattah <sguy@mellanox.com>,
Anshuman Khandual <khandual@linux.vnet.ibm.com>,
Michal Nazarewicz <mina86@mina86.com>,
Vlastimil Babka <vbabka@suse.cz>,
David Nellans <dnellans@nvidia.com>,
Laura Abbott <labbott@redhat.com>, Pavel Machek <pavel@ucw.cz>,
Dave Hansen <dave.hansen@intel.com>,
Mike Kravetz <mike.kravetz@oracle.com>
Subject: Re: [RFC 1/2] Protect larger order pages from breaking up
Date: Sat, 17 Feb 2018 17:07:16 +0100 [thread overview]
Message-ID: <CF0D4656-676E-42EA-BB20-C3A557A397C6@linux.vnet.ibm.com> (raw)
In-Reply-To: <b76028c6-c755-8178-2dfc-81c7db1f8bed@infradead.org>
On February 16, 2018 7:02:53 PM GMT+01:00, Randy Dunlap <rdunlap@infradead.org> wrote:
>On 02/16/2018 08:01 AM, Christoph Lameter wrote:
>> Control over this feature is by writing to /proc/zoneinfo.
>>
>> F.e. to ensure that 2000 16K pages stay available for jumbo
>> frames do
>>
>> echo "2=2000" >/proc/zoneinfo
>>
>> or through the order=<page spec> on the kernel command line.
>> F.e.
>>
>> order=2=2000,4N2=500
>
>
>Please document the the kernel command line option in
>Documentation/admin-guide/kernel-parameters.txt.
>
>I suppose that /proc/zoneinfo should be added somewhere in
>Documentation/vm/
>but I'm not sure where that would be.
It's in Documentation/sysctl/vm.txt and in 'man proc' [1]
[1] https://git.kernel.org/pub/scm/docs/man-pages/man-pages.git/tree/man5/proc.5
>thanks,
--
Sincerely yours,
Mike.
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next prev parent reply other threads:[~2018-02-17 16:07 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-02-16 16:01 [RFC 0/2] Larger Order Protection V1 Christoph Lameter
2018-02-16 16:01 ` [RFC 1/2] Protect larger order pages from breaking up Christoph Lameter
2018-02-16 17:03 ` Andi Kleen
2018-02-16 18:25 ` Christopher Lameter
2018-02-16 18:02 ` Randy Dunlap
2018-02-17 16:07 ` Mike Rapoprt [this message]
2018-02-16 18:59 ` Mike Kravetz
2018-02-16 20:13 ` Christopher Lameter
2018-02-18 9:00 ` Guy Shattah
2018-02-16 19:01 ` Dave Hansen
2018-02-16 20:15 ` Christopher Lameter
2018-02-16 21:08 ` Dave Hansen
2018-02-16 21:43 ` Matthew Wilcox
2018-02-16 21:47 ` Dave Hansen
2018-02-19 10:19 ` Mel Gorman
2018-02-19 14:42 ` Michal Hocko
2018-02-19 15:09 ` Christopher Lameter
2018-02-22 21:19 ` Thomas Schoebel-Theuer
2018-02-22 21:53 ` Zi Yan
2018-02-23 2:01 ` Christopher Lameter
2018-02-23 2:16 ` Zi Yan
2018-02-23 2:45 ` Christopher Lameter
2018-02-23 9:59 ` Mel Gorman
2018-02-16 16:01 ` [RFC 2/2] Page order diagnostics Christoph Lameter
2018-02-17 21:17 ` Pavel Machek
2018-02-19 14:54 ` Christopher Lameter
2018-02-16 18:27 ` [RFC 0/2] Larger Order Protection V1 Christopher Lameter
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