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b=ftGD2pL6l8DDm3npLoR/clYJ/KIxDffb7DMi1jjtu+pKopAvRHU/ymA+va6vw+Q+c igu0P3dUUXSU/Y3JSDQT7BNUsGDapsFCjEZZmapi7ToJZzF+N+SN6oeeu6DSzasJ5T uP2JVig55N4OVaxNIfzj7zIv3A9Cf4amT85F31wo= Date: Thu, 17 Sep 2026 22:12:36 -0700 From: Andrew Morton To: Julian Sun Cc: linux-block@vger.kernel.org, cgroups@vger.kernel.org, linux-mm@kvack.org, linux-fsdevel@vger.kernel.org, axboe@kernel.dk, hannes@cmpxchg.org, mhocko@kernel.org, roman.gushchin@linux.dev, shakeel.butt@linux.dev, muchun.song@linux.dev, willy@infradead.org, jack@suse.cz, tj@kernel.org Subject: Re: [PATCH v6 0/3] memcg,writeback: flush foreign bdev mappings separately Message-Id: <20260917221236.c9044ddf154e1b757b54d8f6@linux-foundation.org> In-Reply-To: <836b5192-ef11-4f16-8c90-049d570959a2@bytedance.com> References: <20260917065759.2643940-1-sunjunchao@bytedance.com> <20260917155305.7a63e01ba3ed34ed0aea537f@linux-foundation.org> <836b5192-ef11-4f16-8c90-049d570959a2@bytedance.com> X-Mailer: Sylpheed 3.8.0beta1 (GTK+ 2.24.33; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Rspam-User: X-Stat-Signature: 9mddn1pi81uzttc6qz5pbtfzwn77sf9h X-Rspamd-Queue-Id: AEA9B180002 X-Rspamd-Server: rspam07 X-HE-Tag: 1789708358-469078 X-HE-Meta: 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 kUQ5I1Nn 2x6E8xxie3CGJyGj5745HaWWK/bnPXZ9OMdPRp50nMOxKc5CQE0IuAyjTSrgfC1WNbKExqWGz6XWngrZK7DTML+S2TeNmdqr18O5FULfLwUl56uq+B7A4pJ1wTzOyfwxxYXZzwnJ0NcYQYNP/Z3CfFDZZ2HhM8ZW3zFbATrNjjfkl98pXiI9K8jXS2pJ48wxI4LNZbFja7u/32fekQLN+ja3wjteUs2IzwTF09Bp5IwMILFGlMVBld3345eVTBSmn02ID2jOKcUQf/uhXTnbCMFPooA== Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Fri, 18 Sep 2026 12:57:03 +0800 Julian Sun wrote: > > Also, and most importantly, what the heck is "frn"? Would the world > > end if you did s/frn/foreign/g? > > Emmm, the naming follows the existing code. I'll rename the new uses > of "frn" to "foreign" in the next version. Renaming the existing code > would be a separate cleanup patch; I'd prefer not to mix that into this > fix series. Well crap. Let's stick with "frn" then. Renaming everything can be argued about much later. Shall consider the rest of your email soon, thanks.