From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 5432C2D2382; Sun, 21 Jun 2026 15:57:35 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1782057460; cv=none; b=bLefLtSjNn+Bpu2AbdOICdRZ9w8gT5Pi7jW1D+QNoIy/ghkmiXiEPKqoE72ZrvZXIBlaKVZWGNt4LRx6J+6O14YIpx5iIapV9iHgma83D2h4EJ7Q9pIKKjh46HM/jGAq4bRnJkijtODw3OAX/Q5mor55D8JSDwRug8xo4uIr+fc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1782057460; c=relaxed/simple; bh=etkah1d9ED8v0h45ogs0I/182hJHhzhkse6ZP4WUvoQ=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=ZuKTmAZy95YwWPPTiTe33GWaBiLy79j/Yh73K9rHEtKrF3hlY6tCd5WvyIkqUBnsuQh8m3H42bWmCbWUftKbFH5TYQ9lMvk5WkFd4B2iggvYtHjvXfzrbOnV1ciidVrABP82IFhOGMUkrPNId525Wy0jpMa0pdRRnEQth2/oMuI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=ofNK3KGp; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="ofNK3KGp" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 1E4861F00A3D; Sun, 21 Jun 2026 15:57:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1782057455; bh=AJ3stxT6aRCI9DnbTthOdJWIipgq9UMulRZrQF4jmXo=; h=From:To:Cc:Subject:Date:In-Reply-To:References; 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> Precedence: bulk X-Mailing-List: damon@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 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