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 5C5BA3DE455; Tue, 30 Jun 2026 04:08:28 +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=1782792509; cv=none; b=FOBoFm1qWKEQbIaJtDIALmvWRKyEHG9g1awncwMJ1oi8K0HBhalwJAL0G1iZH58DJqkruufwzgne40CH4A6CdDQIttlriZ17zL5oKOSFtwv3oQmp4OidoWQY1IrEnReshg/A1DmTXs0jZaVEPlS35R0JhH2Up2TRmxiHDz1Mz2c= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1782792509; c=relaxed/simple; bh=bMQFYC9Y0j4SMVXAHuWHysS+h0U3ibYqWc7I/xeb+U8=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=TPkUYW+VQVLmRkuHIoU++awnyf+CD7TqviHOXtr+1QsZxfFlWyYynXIkmW0UKjreqjsMO7KW5VI9odqwlgF0bEeWpqFWuRV/m2rjEU6jore0lSLpv0AoHjmDUI76e63QoGSoURmVIxgcJS+3TFcytT0OGYPK9QzvRf+Y96Ly/3Q= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=DY/EbHjP; 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="DY/EbHjP" Received: by smtp.kernel.org (Postfix) with ESMTPSA id CEB5C1F00ACA; Tue, 30 Jun 2026 04:08:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1782792508; bh=AeaX6kvkHlHkpOf8DnvsGxy9uMSNxNlGVRxbrbpMKQY=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=DY/EbHjPDTE17mIGg1SKxqLW7Sf+TwrTRwaQEHJdTfQ7Gh7cB5+hRBdoFBOpFgtOm TNSE2lbhG5PCMyG7azKi7I2ANSfqVHqMMaz4YifHCCQbrJ2kKDArnRk96CsTLTo4To 3pjKH0+V8BQko6xXXGGeun3dTMdByJrIdTSc9YrFM/NwFTtl8yjNK5h81iANSokbUX IdO4AGTJK5WFiolJutdOLGN3/HH0TsIGt2w8Iyy1KOgHbqXJcMpmrWoCXlU51Um2Dm Kl1H3C0XSz3GLc5rVaQWqHK0Nj3hya7mK9C1bX9oRl8jUrfEWkOc+qHzyDIsjRV3p8 kVABhTWAHMj2g== From: SJ Park To: Andrew Morton Cc: SJ Park , damon@lists.linux.dev, linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: [PATCH 10/18] mm/damon/core: remove damon_verify_merge_regions_of() Date: Mon, 29 Jun 2026 21:08:03 -0700 Message-ID: <20260630040812.149729-11-sj@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260630040812.149729-1-sj@kernel.org> References: <20260630040812.149729-1-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: SJ Park --- mm/damon/core.c | 15 --------------- 1 file changed, 15 deletions(-) diff --git a/mm/damon/core.c b/mm/damon/core.c index bfef6a8556c8d..78c32ee45d28b 100644 --- a/mm/damon/core.c +++ b/mm/damon/core.c @@ -3121,20 +3121,6 @@ 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 * @@ -3148,7 +3134,6 @@ 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