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b=QUp0Wth/A6Ba7BWOcQyRqcKlJaIBBQZ9A3kJR2XGOeNy4BwwcQ4PRnxleEhv+ETiS M+CA9lxfgv3Q0Be0W04GgplpUwWD33OGOQGybxa1w0reugdqIjRxSRbIY5xgve+xM6 bz5mjHWRL5MnqmZw72x653OYYrehlTlXwLeSKT2mA14XEvKEEltNO3uQEAnp+aeqle OzjPdpE9XLYCm3dzvdbFlr8WR2QVQhzAqWbya/YIFc3W7n5VMI2tPE0IVzxm7IAv4F zknN4sWP4Rfi1dy+7OCZ7UXuXjHR5CaJI6VQKBSnYgkXA0mIKnPwbphrLgnIkj08XU QJfrhPNRZurNA== From: SeongJae Park To: Cc: SeongJae Park , Andrew Morton , damon@lists.linux.dev, linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: [RFC PATCH v1.3 10/18] mm/damon/core: remove damon_verify_merge_regions_of() Date: Mon, 22 Jun 2026 07:21:30 -0700 Message-ID: <20260622142139.30269-11-sj@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260622142139.30269-1-sj@kernel.org> References: <20260622142139.30269-1-sj@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Server: rspam10 X-Stat-Signature: ur7wffha7r1qkz49katayg7pc1m1zy6a X-Rspamd-Queue-Id: 9E5ADC000A X-Rspam-User: X-HE-Tag: 1782138119-22649 X-HE-Meta: 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 4Kl59CDS W+tV98+iz7yq1loCOu8CJaoMIh2TfhJJAJ52y1I7gBjDqt+v6cDM63NZq5RzASulKp8fNOkZtJZaKrx8l68pGnDl5IIPxoktBo5SwU/rq8q7IVWNvfi3DhSFGgXVl05K8xPdyYQ37A6cva851F+e3en6QDP2xq1Ec0hLnpENudRZVME1Dgzkrn3zCivYqVqp6lfwQW65wy4cIsGrUYTNlAUyHxxym3GxC7p7d5r1UoqCqRPEWbiit7lHC8Uju+C/wu/fUaXlyTkDEFEuRFlnJCPPuGA== Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: damon_verify_merge_regions_of() is only for nr_accesses_bp validation. But nr_accesses_bp is no more being used for a real purpose. Remove the validation. Signed-off-by: SeongJae Park --- mm/damon/core.c | 15 --------------- 1 file changed, 15 deletions(-) diff --git a/mm/damon/core.c b/mm/damon/core.c index 84052fa009158..80c1b34062312 100644 --- a/mm/damon/core.c +++ b/mm/damon/core.c @@ -3117,20 +3117,6 @@ static void damon_merge_two_regions(struct damon_target *t, damon_destroy_region(r, t); } -#ifdef CONFIG_DAMON_DEBUG_SANITY -static void damon_verify_merge_regions_of(struct damon_region *r) -{ - WARN_ONCE(r->nr_accesses != r->nr_accesses_bp / 10000, - "nr_accesses (%u) != nr_accesses_bp (%u)\n", - r->nr_accesses, r->nr_accesses_bp); -} -#else -static void damon_verify_merge_regions_of(struct damon_region *r) -{ -} -#endif - - /* * Merge adjacent regions having similar access frequencies * @@ -3144,7 +3130,6 @@ static void damon_merge_regions_of(struct damon_target *t, unsigned int thres, struct damon_region *r, *prev = NULL, *next; damon_for_each_region_safe(r, next, t) { - damon_verify_merge_regions_of(r); if (abs(r->nr_accesses - r->last_nr_accesses) > thres) r->age = 0; else if ((r->nr_accesses == 0) != (r->last_nr_accesses == 0)) -- 2.47.3