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b=n1CP6FuF2cU0FlyUyib3oHPT683ZPiPqR9rhrCDfPrg8Deubd+G/PT/8nTq3Lfayv 7kcbNB1Zu8NbnX2vLjqQKzU3FbOo6dfTrClsssGwSNRtSkkK0GlnY80TPzSjjkMrFa W1TA1ppchwCwcI8Wa52Qd873vEd6nf7rcrIHavL6IACVUZ8qJBDs7BcjbspI7LaL3W 82CWe561q16aaLbPgwpYy83sbtVaN5DFD4NxIPUnU98WUaBwC67mj/FGRHinqV/UF5 TkQijl3pGqjEj1hD296ajuoHzlLh0AAeYRV3NXTAOrY5yiUiIQQV4KP++ILXesX06X aJI6y97UVboYA== From: SJ Park To: Zenghui Yu Cc: SJ Park , Andrew Morton , damon@lists.linux.dev, linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: Re: [PATCH 01/10] mm/damon/api: remove NR_DAMOS_FILTER_TYPES Date: Sat, 19 Sep 2026 08:57:15 -0700 Message-ID: <20260919155716.86019-1-sj@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Server: rspam04 X-Rspam-User: X-Stat-Signature: ty7doxzwxu45xbmazrjtaxd78816g54h X-Rspamd-Queue-Id: 627AD180004 X-HE-Tag: 1789833444-364777 X-HE-Meta: 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 Jz7IdJUD wuUSdVbF9gYa7cVxnHn5G5Cz8MUek3VlcJaomzOMVyucfp6NNsP+SdGZmoRaIuluaPOs+Mq7M3FkOgKYA4f0rEhvUTorxmIqH5cC0GEw3OYHujHhtb5pUOidPrAiCodu2gZS3sJD8hIUKnYys/F2Wq2nzkVBX3Me9JxU9ay/UKruB22tPC3ZqjNeCCgBXInigqWbGs//7j5bQ9qsWYt065X1wPA0+BlkDPKR3Ue6wpUyjelGxpL60d7KU1R+TpVgZkVCx Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Sat, 19 Sep 2026 21:02:30 +0800 Zenghui Yu wrote: > On 9/17/26 10:21 PM, SJ Park wrote: > > Nobody uses NR_DAMOS_FILTER_TYPES. Remove it. [...] > Similarly we have more definitions of NR_foo in damon.h: > > * @NR_DAMOS_ACTIONS: Total number of DAMOS actions > * @NR_DAMOS_QUOTA_GOAL_METRICS: Number of DAMOS quota goal metrics. > * @NR_DAMOS_WMARK_METRICS: Total number of DAMOS watermark metrics > * @NR_DAMON_OPS: Number of monitoring operations implementations > > and only NR_DAMON_OPS is actually used (I checked mm-new). If the > preference is removing all unused macros, we should probably clean them up > as well. Nice findings! Please feel free to post a patch for cleaning those up if you don't mind! Thanks, SJ [...]