linux-kernel - Re: [PATCH 0/8] mm: Remove PG

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Message-ID: <v7on5acvkgseggdrhgicq3slzecnnfdknvm3s4ohblaazhfdui@y2pdupkfe2cw>
Date: Mon, 13 Jan 2025 16:07:28 +0200
From: "Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>
To: Matthew Wilcox <willy@...radead.org>
Cc: Andrew Morton <akpm@...ux-foundation.org>, 
	Jens Axboe <axboe@...nel.dk>, "Jason A. Donenfeld" <Jason@...c4.com>, 
	Andi Shyti <andi.shyti@...ux.intel.com>, Chengming Zhou <chengming.zhou@...ux.dev>, 
	Christian Brauner <brauner@...nel.org>, Christophe Leroy <christophe.leroy@...roup.eu>, 
	Dan Carpenter <dan.carpenter@...aro.org>, David Airlie <airlied@...il.com>, 
	David Hildenbrand <david@...hat.com>, Hao Ge <gehao@...inos.cn>, 
	Jani Nikula <jani.nikula@...ux.intel.com>, Johannes Weiner <hannes@...xchg.org>, 
	Joonas Lahtinen <joonas.lahtinen@...ux.intel.com>, Josef Bacik <josef@...icpanda.com>, 
	Masami Hiramatsu <mhiramat@...nel.org>, Mathieu Desnoyers <mathieu.desnoyers@...icios.com>, 
	Miklos Szeredi <miklos@...redi.hu>, Nhat Pham <nphamcs@...il.com>, 
	Oscar Salvador <osalvador@...e.de>, Ran Xiaokai <ran.xiaokai@....com.cn>, 
	Rodrigo Vivi <rodrigo.vivi@...el.com>, Simona Vetter <simona@...ll.ch>, 
	Steven Rostedt <rostedt@...dmis.org>, Tvrtko Ursulin <tursulin@...ulin.net>, 
	Vlastimil Babka <vbabka@...e.cz>, Yosry Ahmed <yosryahmed@...gle.com>, Yu Zhao <yuzhao@...gle.com>, 
	intel-gfx@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org, 
	linux-fsdevel@...r.kernel.org, linux-mm@...ck.org, linux-trace-kernel@...r.kernel.org
Subject: Re: [PATCH 0/8] mm: Remove PG_reclaim

On Mon, Jan 13, 2025 at 01:45:48PM +0000, Matthew Wilcox wrote:
> On Mon, Jan 13, 2025 at 11:34:45AM +0200, Kirill A. Shutemov wrote:
> > Use PG_dropbehind instead of PG_reclaim and remove PG_reclaim.
> 
> I was hoping we'd end up with the name PG_reclaim instead of the name
> PG_dropbehind.  PG_reclaim is a better name for this functionality.

I got burned by re-using the name with MAX_ORDER redefinition.
I guess it is less risky as it is less used, but still...

Anyway, it can be done with a patch on top of the patchset. We must get
rid of current PG_reclaim first.

-- 
  Kiryl Shutsemau / Kirill A. Shutemov