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b=bNt+PiuRHcp1/q9m4TXokEOUpQ8IdcXtMFnOt3EY8sxikaiKbXsQPHt7/RQl8F/od bMI5JZrxr+T4lBr+kN7BfSwsZfh36msxkMA8nbpEnINZmodviU3FAMEioM8QlbgU11 ykKCJEy+VanGB3woPJA+/tmWIibQmDnRYaW+jRT/F8/t+Ue+WYk5sk7e63JTsX0oz3 +YIC0aFUhT3mJ7cPqefLGXNO5W9UQMj1JLxbg3CkH7VOVH71GQ43+Krb4c4vq0/SaN Y92sYr7lqBsjuRtXiwkDQtrWs0l58+qZjsLRxP+/s7PRdx9vi3msEoSfBQ9zt4H9Fz wesUyjV8XjX1g== 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 08/13] mm/damon/core: remove damon_verify_merge_regions_of() Date: Fri, 19 Jun 2026 12:33:53 -0700 Message-ID: <20260619193415.73833-9-sj@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260619193415.73833-1-sj@kernel.org> References: <20260619193415.73833-1-sj@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Server: rspam08 X-Rspamd-Queue-Id: 8C586100011 X-Rspam-User: X-Stat-Signature: 6hbpp7topqf9ygosrnn3f68to4o1nq3o X-HE-Tag: 1781897679-711319 X-HE-Meta: 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 wdqxnh6E Mb7YOukrFPo09sbykgDvgC3Y26MDTIuM4COdtmOm+2QqdYq704RXTQyVSou+z9OpffJ1MLSLHjPgEWp+LiDMFQX+QPHscfa4ER5PkG8WMgqWtZb85kuwYcex0iqrVQJUfLSBddVkDkHVydDkSQ9TKfQVHLpFqxEXnIVREAHVY6VnNrtFyGPfqaxfECRmHFrZEt+eNry/Riab8f2T3IIMAimCa+LWt2udnwYkEkwMwAYce8F9D67Aur9W2hkQnayRxNw/f8EvFb4OSZLi+N7XfgJbRxA== 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 9b8423056d879..f2db39aa34f4c 100644 --- a/mm/damon/core.c +++ b/mm/damon/core.c @@ -3107,20 +3107,6 @@ 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 * @@ -3134,7 +3120,6 @@ 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