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b=ofNK3KGpvnR/g/IGjlCw/xf1+fltfCmEYDyg1gR9MO0Q8uerA9pMgo+mZrF8h42fG m0J3amdg5+uZ2hyW+W/SfhIdybyD/KdEq9n0KiToa6ywbJ+xTdk2ele5DdXeAn2+lR 6qRwjgV27ktCi4c07vu1mA97duK+Sbwyl4qILClctUqPzcq8RM2WRM51LBuj675IWP 9DXpyqsqWVM8mpqiEsH6eWLTD12ogpalhTT6QV/fXVI62mQtgHCbxzSGhL9OJHLPZo 54wKwEQ4e0ICU2lRBdB4SM+OYMhahRw6UaI8eCYX/4W32waXClBZOG/OZuUfCr4Tmm tSEJ3nxb3npCg== 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 v1.2 09/17] mm/damon/core: remove damon_verify_merge_regions_of() Date: Sun, 21 Jun 2026 08:57:05 -0700 Message-ID: <20260621155715.87932-10-sj@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260621155715.87932-1-sj@kernel.org> References: <20260621155715.87932-1-sj@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Server: rspam02 X-Rspamd-Queue-Id: 599C218000A X-Rspam-User: X-Stat-Signature: 7j9yt91unhy7j8tps8qdeocgwyxej6am X-HE-Tag: 1782057456-43852 X-HE-Meta: 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 h9NrQqxo bI07dRYUQ6CS2NnjO+J+sy7q8mc4OC+eFXa9GljVZnhFd31qU3ZkDzd78U8TY1OuQyFZGNvep0a5/VTZXfalr9shEmjvICCxPFx7RxzoDp0ks38GpZw3esoF0pe7zvvDEoYZemnvOQWItOvpNr+v49nq2VQyFcTuW4gE1twLYV/hnn2oRabDnHbAxlQZa2Xs096Se34MkcpoQdxj8W6QqvAMOvtKq7qxfvNepMesIRPx54MlexjS7B1qplXojkZnXlghjizX0j7uXdmjGVd2FIkzsIQ== 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 7bb9b3c32d6fc..76ac58bf3dff9 100644 --- a/mm/damon/core.c +++ b/mm/damon/core.c @@ -3114,20 +3114,6 @@ 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 * @@ -3141,7 +3127,6 @@ 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