From: Rik van Riel <riel@redhat.com>
To: Nathan Zimmer <nzimmer@sgi.com>
Cc: Hugh Dickins <hughd@google.com>, Nick Piggin <npiggin@gmail.com>,
Christoph Lameter <cl@linux.com>,
Lee Schermerhorn <lee.schermerhorn@hp.com>,
"akpm@linux-foundation.org" <akpm@linux-foundation.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-mm@kvack.org" <linux-mm@kvack.org>,
"stable@vger.kernel.org" <stable@vger.kernel.org>
Subject: Re: [PATCH] tmpfs not interleaving properly
Date: Wed, 23 May 2012 16:03:30 -0400 [thread overview]
Message-ID: <4FBD4292.9020907@redhat.com> (raw)
In-Reply-To: <74F10842A85F514CA8D8C487E74474BB2C1597@P-EXMB1-DC21.corp.sgi.com>
On 05/23/2012 09:28 AM, Nathan Zimmer wrote:
>
> When tmpfs has the memory policy interleaved it always starts allocating at each file at node 0.
> When there are many small files the lower nodes fill up disproportionately.
> My proposed solution is to start a file at a randomly chosen node.
>
> Cc: Christoph Lameter<cl@linux.com>
> Cc: Nick Piggin<npiggin@gmail.com>
> Cc: Hugh Dickins<hughd@google.com>
> Cc: Lee Schermerhorn<lee.schermerhorn@hp.com>
> Cc: stable@vger.kernel.org
> Signed-off-by: Nathan T Zimmer<nzimmer@sgi.com>
Acked-by: Rik van Riel <riel@redhat.com>
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WARNING: multiple messages have this Message-ID (diff)
From: Rik van Riel <riel@redhat.com>
To: Nathan Zimmer <nzimmer@sgi.com>
Cc: Hugh Dickins <hughd@google.com>, Nick Piggin <npiggin@gmail.com>,
Christoph Lameter <cl@linux.com>,
Lee Schermerhorn <lee.schermerhorn@hp.com>,
"akpm@linux-foundation.org" <akpm@linux-foundation.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-mm@kvack.org" <linux-mm@kvack.org>,
"stable@vger.kernel.org" <stable@vger.kernel.org>
Subject: Re: [PATCH] tmpfs not interleaving properly
Date: Wed, 23 May 2012 16:03:30 -0400 [thread overview]
Message-ID: <4FBD4292.9020907@redhat.com> (raw)
In-Reply-To: <74F10842A85F514CA8D8C487E74474BB2C1597@P-EXMB1-DC21.corp.sgi.com>
On 05/23/2012 09:28 AM, Nathan Zimmer wrote:
>
> When tmpfs has the memory policy interleaved it always starts allocating at each file at node 0.
> When there are many small files the lower nodes fill up disproportionately.
> My proposed solution is to start a file at a randomly chosen node.
>
> Cc: Christoph Lameter<cl@linux.com>
> Cc: Nick Piggin<npiggin@gmail.com>
> Cc: Hugh Dickins<hughd@google.com>
> Cc: Lee Schermerhorn<lee.schermerhorn@hp.com>
> Cc: stable@vger.kernel.org
> Signed-off-by: Nathan T Zimmer<nzimmer@sgi.com>
Acked-by: Rik van Riel <riel@redhat.com>
next prev parent reply other threads:[~2012-05-23 20:04 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-05-23 13:28 [PATCH] tmpfs not interleaving properly Nathan Zimmer
2012-05-23 13:28 ` Nathan Zimmer
2012-05-23 20:03 ` Rik van Riel [this message]
2012-05-23 20:03 ` Rik van Riel
2012-05-23 22:20 ` Andrew Morton
2012-05-23 22:20 ` Andrew Morton
2012-05-25 20:46 ` Nathan Zimmer
2012-05-25 20:46 ` Nathan Zimmer
-- strict thread matches above, loose matches on Subject: below --
2012-05-16 20:00 Nathan Zimmer
2012-05-16 20:00 ` Nathan Zimmer
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