Re: [PATCHv2 09/11] mm: Remove PG_reclaim

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Subject: Re: [PATCHv2 09/11] mm: Remove PG_reclaim
From: Yu Zhao <yuzhao@xxxxxxxxxx>
Date: Wed, 15 Jan 2025 13:51:27 -0700
Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, "Matthew Wilcox (Oracle)" <willy@xxxxxxxxxxxxx>, Jens Axboe <axboe@xxxxxxxxx>, "Jason A. Donenfeld" <Jason@xxxxxxxxx>, Andi Shyti <andi.shyti@xxxxxxxxxxxxxxx>, Chengming Zhou <chengming.zhou@xxxxxxxxx>, Christian Brauner <brauner@xxxxxxxxxx>, Christophe Leroy <christophe.leroy@xxxxxxxxxx>, Dan Carpenter <dan.carpenter@xxxxxxxxxx>, David Airlie <airlied@xxxxxxxxx>, David Hildenbrand <david@xxxxxxxxxx>, Hao Ge <gehao@xxxxxxxxxx>, Jani Nikula <jani.nikula@xxxxxxxxxxxxxxx>, Johannes Weiner <hannes@xxxxxxxxxxx>, Joonas Lahtinen <joonas.lahtinen@xxxxxxxxxxxxxxx>, Josef Bacik <josef@xxxxxxxxxxxxxx>, Masami Hiramatsu <mhiramat@xxxxxxxxxx>, Mathieu Desnoyers <mathieu.desnoyers@xxxxxxxxxxxx>, Miklos Szeredi <miklos@xxxxxxxxxx>, Nhat Pham <nphamcs@xxxxxxxxx>, Oscar Salvador <osalvador@xxxxxxx>, Ran Xiaokai <ran.xiaokai@xxxxxxxxxx>, Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>, Simona Vetter <simona@xxxxxxxx>, Steven Rostedt <rostedt@xxxxxxxxxxx>, Tvrtko Ursulin <tursulin@xxxxxxxxxxx>, Vlastimil Babka <vbabka@xxxxxxx>, Yosry Ahmed <yosryahmed@xxxxxxxxxx>, intel-gfx@xxxxxxxxxxxxxxxxxxxxx, dri-devel@xxxxxxxxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, linux-fsdevel@xxxxxxxxxxxxxxx, linux-mm@xxxxxxxxx, linux-trace-kernel@xxxxxxxxxxxxxxx
In-reply-to: <20250115093135.3288234-10-kirill.shutemov@linux.intel.com>
References: <20250115093135.3288234-1-kirill.shutemov@linux.intel.com> <20250115093135.3288234-10-kirill.shutemov@linux.intel.com>

On Wed, Jan 15, 2025 at 2:32 AM Kirill A. Shutemov
<kirill.shutemov@xxxxxxxxxxxxxxx> wrote:
>
> Nobody sets the flag anymore.
>
> Remove the PG_reclaim, making PG_readhead exclusive user of the page
> flag bit.
>
> Signed-off-by: Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx>

Acked-by: Yu Zhao <yuzhao@xxxxxxxxxx>

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