From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=100.103.45.18 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1793842626; b=StOkojiRBe/xJnNlx8HU/Vmbdgn5M2gx0IHRqKbnJ/6UaU0sPkzdAE77/3xwdBrW13mc BCJDuVP0MVmOCe9COqDJvHLsZocsoli4rhpgsFjGStbNZwBsDBeRX49lnWCzTkAUQ+jt+ fQgR8vCvLelBz1lfCCwH1u3SA76VPjl6rUWpkbX4zt00BAx5mm651Xb6YnBnDJPJV6Yb7 0skTvw1VzVV4GoAUD6D7JsM0L9gE0Kywz6AY3Rde7Ro+3iy7YXPOBDM3vgyiJmzcKWarT 9KTLVrjmtRBhHz3GUCSXsBXNowH8Q5XkunHA+UD+mtpbqFOkFq30ho3KZMBN2yN1EkA== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1793842626; h=Received:DKIM-Signature:From:To:Cc:Subject:Date:Message-ID:X-Mailer: In-Reply-To:References:MIME-Version:Content-Type: Content-Transfer-Encoding; bh=SA2+HfHYPMGCbmJQui3IKYKhygxU8H4CQyQtWKnvlr0=; b=YQe5t77ltyrBSQ+pVNnaJI1Uwx4Zdc4RQb+frEhAaV0GZ/kxpHeHymRlukJ1Fo5QfUVi SZIQy7/iVEyLrMwht8hjo9u4BfNT/deDvB9t+4+OzMoNOvG5jFg6WYQCyaHDWtwJUtZIx qlNUU03mdHPrragpQIzPFWUbqUKGI9ekWNwO7G+g2+ELBm0jwoquUt6qxM8WGzFtOM0oI OYwnPZXwIFmmTmMJIyRNKZPM3uBDB9MN7hy2thk+GHqTq8OagXkS47zeNKa1ea66dPcj7 rQAx6iZwexcqDc/CEaop5Yvd+uyumRt47KDonXRVJdN6Rni+PiT3skVrV/VaPyYp9xQ== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=CLncX2Zs; arc=none smtp.remote-ip=100.103.45.18 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 41773606A31B; Thu, 5 Nov 2026 01:37:06 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=CLncX2Zs Received: by smtp.kernel.org (Postfix) with ESMTPSA id 4927F1F000C1; Thu, 5 Nov 2026 01:37:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1793842625; bh=SA2+HfHYPMGCbmJQui3IKYKhygxU8H4CQyQtWKnvlr0=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=CLncX2Zs+2hBT1JWu+JG2f41a2GOjtb8ZMj/7XZz90p/SDCrpc6hRRabv19xKgK1e 90653Of7K/ZKdrCGmc/IpfESzxbWX/UPClFz605D6Wtg0Qw81+D2+8d+exoFHNzkjx Q+nxPajPLOQRe/an1SJIlnOMNwuy98DfPnaw+WEhgjhqVXCjulg3OGZ4hFyLWoBf1F 4ikp1s+NBR17wwsL5/iEI8V0Tu8blmOXU9vBPo5ds+Soi1p+sdS+G7RkqAE/E4eB91 o8pV8kLqamj/HaSn2pp/HN9NA4uNvExfeubP/nBnhX7qE2tcsLGWaYYm3lDxBUHRDt SAFdcAXtw8M1g== From: SJ Park To: Wang Xiaolei Cc: SJ Park , jm5905938@gmail.com, akpm@linux-foundation.org, david@kernel.org, ljs@kernel.org, error27@gmail.com, damon@lists.linux.dev, linux-mm@kvack.org, linux-kernel@vger.kernel.org, stable@vger.kernel.org, "Liam R. Howlett" , Michal Hocko , Mike Rapoport , Suren Baghdasaryan , Vlastimil Babka Subject: Re: [PATCH] mm/damon/core: reject empty access pattern intervals on scheme commit Date: Wed, 4 Nov 2026 17:36:51 -0800 Message-ID: <20261105013653.88123-1-sj@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <9bb64032-09ce-4ddf-81cb-206bb85b9be3@gmail.com> References: X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit On Wed, 4 Nov 2026 09:17:24 +0800 Wang Xiaolei wrote: > Hi SeongJae and Aveline > >  Thank you both for the careful review. > > I appreciate the clarification that DAMON simply executes what > >  the user configured, and that this is more of an input validation > > improvement than a bug fix. Perhaps I was too aggressive in framing > > it as a bug. Thank you for clarifying. But my point is that this change might be just unnecessary behavior change rather than an improvement. What do you think? Thanks, SJ [...]