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 18A693BCD17; Mon, 22 Jun 2026 14:21:59 +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=1782138120; cv=none; b=teNF/oLx+m6DkfwnPVCbpL9h7/FoBahqqkCm0Sx18O5NqgIDbOjvxEGp5lI7z21v28YcN0sp+X1PGHQoR9/ZbD9m6fwNjGGnLovyQCnugUdLeT7T1OFKF5UhY5aPk3Bj8v1tqKjCVh7RIgE6/JcSjV4dVCXNNeWavc4nbu/TZI4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1782138120; c=relaxed/simple; bh=ZSvboHENUNT2jWvAUSSnswzfSidbFvYrDHgFPp1vIhY=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=kKUtBkObbNvkCJZGPtcB7fEoBbRKTvJLQFH60hp+79qkVMSf2s+gkopTR9ctIt4KSQyLOlSgJDcOJlC23P2t5WfNL+zeTc7DaVoIQ6lnTt1qnUbLIXPH0IfWEDPAUmud+DHAM0xpHH+mTK+0MWvPsgmCK87Pss+7VEw1biv8Ap0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=QUp0Wth/; 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="QUp0Wth/" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 86C651F000E9; Mon, 22 Jun 2026 14:21:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1782138119; bh=puPk2Ddefrwi4QR8TAOwiDa4CHnnPF2438al1RR4Mt8=; h=From:To:Cc:Subject:Date:In-Reply-To:References; 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> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org 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 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