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Fri, 13 Mar 2026 12:42:46 -0700 (PDT) MIME-Version: 1.0 References: <20260313111702.38667-1-aethernet65535@gmail.com> <20260313145247.46643-1-sj@kernel.org> In-Reply-To: <20260313145247.46643-1-sj@kernel.org> From: Liew Rui Yan Date: Sat, 14 Mar 2026 03:42:35 +0800 X-Gm-Features: AaiRm50ChEh4InPvjYO_yVBmE9ldBcHvaYymROpXYmMM2sWnTfV5xLuyxfxPYQg Message-ID: Subject: Re: [Question] mm/damon: conflict between DAMON_STAT and DAMON_LRU_SORT? To: SeongJae Park Cc: damon@lists.linux.dev, linux-mm@kvack.org Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Rspamd-Server: rspam10 X-Rspamd-Queue-Id: A427C180002 X-Stat-Signature: 7xs648rkrrzzmdgzwh47dtckas1rpabh X-Rspam-User: X-HE-Tag: 1773430967-215685 X-HE-Meta: U2FsdGVkX18pDWmZnfePbbFUiuOG+gW5Y3BWMia/W3q6nlwtLOJIJb0iweSLFy+711aCvk17ZV+YOZAFTpIh3ABXKBePFjfHFz8GwB0sEYf3kFkqEYk5amXNqNqVmCXRiQh4zZOjMv0UCW4uXSpDiW0nTQQByeuAcpqCkiNqvw7S4zLUsg0Zt54ZBVnmsbjmz8yIMCnJgB08BFheGfmEuDQsWvov+0X3yiIZRiawQcnLq7YYt2Ih9OYD5JyyK9esst+XTDxjX10H+zsUZRrBVNXZ3wkybctlndIgc0StLS/vVbA1AXmV0Ajvf1T0Tv1GKdrOP58KJe4LFxwqiwAQWm94CguMUPnHs5IVZiSfi8FYu/v34NyGTgbdSkHNUfeiEeZDjnoJlNk2ZJtoL3Mgxxib0OE8rMwt/6WCvNLvRNhN6D8vyKTyibS/KYS1rdYgbKftP4jCSkzDNXLaTh3VStOVEFYm5BXhOsv1DKKwfAOtk1ocLcerT7ppt8zqjc9I38JQnfZXr98v5JCfSP/xqGvqyrAeosbmeEMyloDOhkrmBbsGEXdYkAFh4ffHkwtJgE5Ef7zuMNc6nR4jRQXAXKr4ajIKhtIrEpwo7TMhkhWirVZuUJoOSejF5vJgR+GUPmEjvaSJud+TRoUlReVRqM5of7bDoPUgXzp+V4yiqql4Xo3EzHJg91CSCUd3bOL4NZZMX9tdRu4588y8s1Lh8mgSaBTzg9RZ3KW7GJkLiXjEFHyD9yA5RAhnqiPtx5KphOb+YMfaNBn3eqIZWcZ/QO2SfUZwnfUMEmU5VfeqSjitUN65OCnioPXAHTdw0c4FqQPrK9pKEdBUGVTzxsKOyLe+mG8IEteHpOxcDDxSl1mY1/zNpPiO3fuyYOMFnxpwW7HhPZ70zzTtrI7VJbjK1LNFj3zz8j4PDIt5aeFG4cefsowPWIJU+rTQHk9F4W3AwP6n5LW9dxzhorjBq13 grug2IGj 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 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Fri, Mar 13, 2026 at 10:52=E2=80=AFPM SeongJae Park wrot= e: > > Yes. But, I think 'Special-Purpose Access-aware Kernel Modules' section = of > Documentation/mm/damon/design.rst is a better place to document it. > > Would you mind sending a patch for that? > Hi SeongJae, Thank you so much for your quick and detailed reply! I'm happy to send a documentation patch for this. As you suggested, I'll add the explanation to the "Special-Purpose Access-aware Kernel Modules" section of Documentation/mm/damon/design.rst. Additionally, would it be helpful to add a short note with a :ref: cross-reference in Documentation/admin-guide/mm/damon/lru_sort.rst pointing to that section? I think this could help sysadmins quickly understand the reason behind the -EBUSY error without having to dig deep into the full design document. I may need a few days to prepare the patch properly, I want to familiarise myself with the reStructuredText syntax and the current design.rst. I'll do my best to send it soon. Is that okay? Thanks again for your guidance and for maintaining DAMON! Best regards, Liew Rui Yan