Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67;
Date:   Thu, 22 Mar 2018 11:50:46 -0700
From:   Matthew Wilcox <willy@infradead.org>
To:     Daniel Jordan <daniel.m.jordan@oracle.com>
Cc:     Aaron Lu <aaron.lu@intel.com>, Vlastimil Babka <vbabka@suse.cz>,
        linux-mm@kvack.org, linux-kernel@vger.kernel.org,
        Andrew Morton <akpm@linux-foundation.org>,
        Huang Ying <ying.huang@intel.com>,
        Dave Hansen <dave.hansen@linux.intel.com>,
        Kemi Wang <kemi.wang@intel.com>,
        Tim Chen <tim.c.chen@linux.intel.com>,
        Andi Kleen <ak@linux.intel.com>,
        Michal Hocko <mhocko@suse.com>,
        Mel Gorman <mgorman@techsingularity.net>
Subject: Re: [RFC PATCH v2 2/4] mm/__free_one_page: skip merge for order-0
 page unless compaction failed
Message-ID: <20180322185046.GK28468@bombadil.infradead.org>
References: <20180320085452.24641-1-aaron.lu@intel.com>
 <20180320085452.24641-3-aaron.lu@intel.com>
 <7b1988e9-7d50-d55e-7590-20426fb257af@suse.cz>
 <20180320141101.GB2033@intel.com>
 <20180322171503.GH28468@bombadil.infradead.org>
 <9ab5a6dd-c1b2-8da3-31f1-dd2237ea0f44@oracle.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <9ab5a6dd-c1b2-8da3-31f1-dd2237ea0f44@oracle.com>
User-Agent: Mutt/1.9.2 (2017-12-15)
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

On Thu, Mar 22, 2018 at 02:39:17PM -0400, Daniel Jordan wrote:
> Shouldn't the anon column also contain lru?

Probably; I didn't finish investigating everything.  There should probably
also be another column for swap pages.  Maybe some other users use a
significant amount of the struct page ... ?