linux-kernel - Re: [RFC PATCH v5 03/16] slub: Sort slab cache list

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Message-ID: <20190521003835.GB21811@tower.DHCP.thefacebook.com>
Date:   Tue, 21 May 2019 00:38:40 +0000
From:   Roman Gushchin <guro@...com>
To:     "Tobin C. Harding" <tobin@...nel.org>
CC:     Andrew Morton <akpm@...ux-foundation.org>,
        Matthew Wilcox <willy@...radead.org>,
        Alexander Viro <viro@....linux.org.uk>,
        "Christoph Hellwig" <hch@...radead.org>,
        Pekka Enberg <penberg@...helsinki.fi>,
        "David Rientjes" <rientjes@...gle.com>,
        Joonsoo Kim <iamjoonsoo.kim@....com>,
        Christopher Lameter <cl@...ux.com>,
        Miklos Szeredi <mszeredi@...hat.com>,
        Andreas Dilger <adilger@...ger.ca>,
        Waiman Long <longman@...hat.com>,
        "Tycho Andersen" <tycho@...ho.ws>, Theodore Ts'o <tytso@....edu>,
        Andi Kleen <ak@...ux.intel.com>,
        David Chinner <david@...morbit.com>,
        Nick Piggin <npiggin@...il.com>,
        Rik van Riel <riel@...hat.com>,
        Hugh Dickins <hughd@...gle.com>,
        Jonathan Corbet <corbet@....net>,
        "linux-mm@...ck.org" <linux-mm@...ck.org>,
        "linux-fsdevel@...r.kernel.org" <linux-fsdevel@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [RFC PATCH v5 03/16] slub: Sort slab cache list

On Mon, May 20, 2019 at 03:40:04PM +1000, Tobin C. Harding wrote:
> It is advantageous to have all defragmentable slabs together at the
> beginning of the list of slabs so that there is no need to scan the
> complete list. Put defragmentable caches first when adding a slab cache
> and others last.
> 
> Co-developed-by: Christoph Lameter <cl@...ux.com>
> Signed-off-by: Tobin C. Harding <tobin@...nel.org>

Reviewed-by: Roman Gushchin <guro@...com>