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AJvYcCWK4lML+QGpKlODcMRHm/asdhTFQuGnPVQxJkJwRXmhM6UMr/j4SNT08Y22HKeQapunmqmiObefBeAdxxZPXTf4QhU= X-Gm-Message-State: AOJu0YwWFvVuMdz3ihTqzE0Zw9R4kufbi4CvpqGPdLwdhDxTQg7gESoA x9kRiOseWyYizHv19NWYf8AGMlKZIVf28yfgQBNDkW6akfLIiRgfFMfHEItyP1dJaIHFtybnmmj CET34rpd4eAUqPSjaavLOLBFWbPbU0APLCuFniw== X-Google-Smtp-Source: AGHT+IEkD9DfmAVvJoUA76C927vp9QSuWjLrw/gPYp/wFh5Xl4sFBBEvu2vXnNp5wym+2fg+tY6NIQ36BY/T6qfRVrE= X-Received: by 2002:a05:651c:b08:b0:2d2:145e:b36c with SMTP id b8-20020a05651c0b0800b002d2145eb36cmr302147ljr.21.1708025619959; Thu, 15 Feb 2024 11:33:39 -0800 (PST) MIME-Version: 1.0 References: <20240215145602.1371274-1-max.kellermann@ionos.com> <20240215145602.1371274-10-max.kellermann@ionos.com> In-Reply-To: From: Max Kellermann Date: Thu, 15 Feb 2024 20:33:28 +0100 Message-ID: Subject: Re: [PATCH v1 09/14] linux/mm.h: move usage count functions to mm/page_usage.h To: Matthew Wilcox Cc: akpm@linux-foundation.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Rspamd-Queue-Id: AF46D160006 X-Rspam-User: X-Rspamd-Server: rspam02 X-Stat-Signature: 8pw9n1s96mti51qw3fq4p7suznahc9on X-HE-Tag: 1708025621-189699 X-HE-Meta: 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 zzCHnLRO w2NtXG8vy7bfeW8RtI8/aS2x2FIRadMsNGxq5JTQ2RMpNgpVU/NgIwO2z5DGu3rwSGehiuEy87Lvunj1iAITbXqZWR7UTxXV2/yHsb0RkpVV7kKeLk4FLHLICg5wKFLDTuINWpO1TN6BtWuCY4BxEp9m/TQS92aut/tfIIXy7Y1awVwB6+DzFgOb78mVAKU1p+fGAzmZMmwOJMudvW6GiNn84q5aRC6yTeD9EQpb4So8MJfYbFwy5y9cySFy7rDGKEnMCbURl19g8ZuhWbjhmzrVHSDPVniejehoZNSm+Qwvyznv5KIRLsok12ujtQ6Ucdzc/eQtoLKcRnvA= X-Bogosity: Ham, tests=bogofilter, spamicity=0.176042, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Thu, Feb 15, 2024 at 8:30=E2=80=AFPM Matthew Wilcox wrote: > Why does this want to be its own header instead of being part of > page_ref.h? Because I thought page_ref.h was a low-level header and the new one would be higher-level with (slightly) heavier dependencies. Keeping different layers of code in separate headers helps keeping dependencies lean. I used the term "usage" from the explanatory comment at the top. I'll amend the patch description to explain that detail.