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b=dJmCwMaYu4CRKg7QWxPIpjdBYvx4AU6uOKZoiMzlEyROhtUlBopFwgPzr3c02XVcT eVoZixq74e1u4fR+Q3Hz6qz0cCkMRuCVaDqEHRuK5gW0XNtpyPv+FOOqJ0uQdITW13 JsTYolmli/dYQ+rO/3jw5M8P2cx1fuep0FvKKMIIX/CCIuWuOVik6nfV5nmQep4jxx Gc3Bm9owJcUc71xB9v0WQEp8/960veQX93mEYxKL/vqeGoWGLgwYyAa9EZtwbjMSxM CMZgdnD5cxtULPztdmjhonngthhxDwgrcxQ/V+hcWiBDmmGgBoHf5kaOwUz03bVn0P 7CdE7Hgd49Qwg== 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 v1.1 08/13] mm/damon/core: remove damon_verify_merge_regions_of() Date: Sat, 20 Jun 2026 10:22:38 -0700 Message-ID: <20260620172244.90953-9-sj@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260620172244.90953-1-sj@kernel.org> References: <20260620172244.90953-1-sj@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: 462464000A X-Stat-Signature: cpxy66skbco6f99sgh6wz813p33yt38w X-Rspam-User: X-Rspamd-Server: rspam06 X-HE-Tag: 1781976184-769649 X-HE-Meta: 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 qNrZ2jGx mjkSDh5BaxRU6iPKtW/+3h5/h28QVxyz22oIjq552Q6Suuqj0dRTIfMFRLkMf3DMzE63EzkH8G5HkLNMIYESIyifyta6mYfMiwPIORzbpPkHi+7MdvyNQz65bD8Gj8VbFh4/kJGY5ZLoCl4XFgp4jdvbXizh2SxVGMi5oLxxXJeYvT0kNnlxPD7C0s7KczKrT9S4qGrKqJdbPr2sOC4Q7WNTQqNBEBQ90z4GFbufEhE6ByG1DlfA0lEBiAaz3ELO0EuysEvz00JjlC+B8bav+7iAfWw== 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 84d21d21ed6c9..6db157ee25129 100644 --- a/mm/damon/core.c +++ b/mm/damon/core.c @@ -3109,20 +3109,6 @@ 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 * @@ -3136,7 +3122,6 @@ 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