linux-kernel - Re: [PATCH v4 1/9] mm: aggregate workingset information into histograms

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Message-ID: <Z0aeXrpY-deSfO8v@casper.infradead.org>
Date: Wed, 27 Nov 2024 04:21:50 +0000
From: Matthew Wilcox <willy@...radead.org>
To: Yuanchu Xie <yuanchu@...gle.com>
Cc: Andrew Morton <akpm@...ux-foundation.org>,
	David Hildenbrand <david@...hat.com>,
	"Aneesh Kumar K.V" <aneesh.kumar@...ux.ibm.com>,
	Khalid Aziz <khalid.aziz@...cle.com>,
	Henry Huang <henry.hj@...group.com>, Yu Zhao <yuzhao@...gle.com>,
	Dan Williams <dan.j.williams@...el.com>,
	Gregory Price <gregory.price@...verge.com>,
	Huang Ying <ying.huang@...el.com>, Lance Yang <ioworker0@...il.com>,
	Randy Dunlap <rdunlap@...radead.org>,
	Muhammad Usama Anjum <usama.anjum@...labora.com>,
	Tejun Heo <tj@...nel.org>, Johannes Weiner <hannes@...xchg.org>,
	Michal Koutný <mkoutny@...e.com>,
	Jonathan Corbet <corbet@....net>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	"Rafael J. Wysocki" <rafael@...nel.org>,
	"Michael S. Tsirkin" <mst@...hat.com>,
	Jason Wang <jasowang@...hat.com>,
	Xuan Zhuo <xuanzhuo@...ux.alibaba.com>,
	Eugenio Pérez <eperezma@...hat.com>,
	Michal Hocko <mhocko@...nel.org>,
	Roman Gushchin <roman.gushchin@...ux.dev>,
	Shakeel Butt <shakeel.butt@...ux.dev>,
	Muchun Song <muchun.song@...ux.dev>,
	Mike Rapoport <rppt@...nel.org>, Shuah Khan <shuah@...nel.org>,
	Christian Brauner <brauner@...nel.org>,
	Daniel Watson <ozzloy@...h.do>, cgroups@...r.kernel.org,
	linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
	virtualization@...ts.linux.dev, linux-mm@...ck.org,
	linux-kselftest@...r.kernel.org
Subject: Re: [PATCH v4 1/9] mm: aggregate workingset information into
 histograms

On Tue, Nov 26, 2024 at 06:57:20PM -0800, Yuanchu Xie wrote:
> diff --git a/mm/internal.h b/mm/internal.h
> index 64c2eb0b160e..bbd3c1501bac 100644
> --- a/mm/internal.h
> +++ b/mm/internal.h
> @@ -470,9 +470,14 @@ extern unsigned long highest_memmap_pfn;
>  /*
>   * in mm/vmscan.c:
>   */
> +struct scan_control;
> +bool isolate_lru_page(struct page *page);

Is this a mismerge?  It doesn't exist any more.