linux-kernel - Re: [PATCH] tmpfs not interleaving properly

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Message-ID: <4FBD4292.9020907@redhat.com>
Date:	Wed, 23 May 2012 16:03:30 -0400
From:	Rik van Riel <riel@...hat.com>
To:	Nathan Zimmer <nzimmer@....com>
CC:	Hugh Dickins <hughd@...gle.com>, Nick Piggin <npiggin@...il.com>,
	Christoph Lameter <cl@...ux.com>,
	Lee Schermerhorn <lee.schermerhorn@...com>,
	"akpm@...ux-foundation.org" <akpm@...ux-foundation.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-mm@...ck.org" <linux-mm@...ck.org>,
	"stable@...r.kernel.org" <stable@...r.kernel.org>
Subject: Re: [PATCH] tmpfs not interleaving properly

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@...ux.com>
> Cc: Nick Piggin<npiggin@...il.com>
> Cc: Hugh Dickins<hughd@...gle.com>
> Cc: Lee Schermerhorn<lee.schermerhorn@...com>
> Cc: stable@...r.kernel.org
> Signed-off-by: Nathan T Zimmer<nzimmer@....com>

Acked-by: Rik van Riel <riel@...hat.com>

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