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=1793203040; b=yCk8wd4LDrhZ2Cq5tsKaSjdwg2j0PkHVhvyw8FzajOzjPIik81y/A81lgfnP7HZ8SFdB pTsaRCmOKDuRIxcG59cOUpIBIQ4gGR3ApOTcWwi+NdBt6X0UmWfBA5bIltu9lT7yCKOoT j+Joze41gawYwdyUJXdD96/M7Mxjusr59HkWljZ7CADWpT+VRHgA7tM8GALDIaiYsSnSt 973mFpXJFRT04t5iYibfl67cfJUgM6gVSjjx2uBPUUyDrke6oQt2x8ogpOCltAbFeNB6+ RvxrqSUOt8LXLL0vvWlwTy4WSfN3HeSs3oHcx1IAOhZphPp8ktE11nj4HtagIE/wgsA== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1793203040; h=Received:DKIM-Signature:Message-ID:From:Subject:Reply-To:To:Cc: In-Reply-To:References:Content-Type:Content-Transfer-Encoding:Date; bh=nZ2Zn4p2yHay7T05kfjvZMygKmfkQPxVMNiCmR9S0qw=; b=hZxxEPPb9b9798MaRlzstr25UfxGxJVhFe5R9noAjGR18f3UAXMjIZvXLNTEt7IaG1og g8auDQ8mPAa2OsqV9trZ6EHXF9/Kx8GvKnpLkxoqephPO4GFXRptmn58PaGatv+SLOSf3 1Su8MxCYwvPe9tveiIFxq9rT2ePd8d/9BEQjYWLT+WA+3enDWLq2xUMVGbaXHE6S7ovK2 VPkTJ1lAUBHcFA+PJL5V+mP6JyeJyeupX10PhL0G6/w8NRWdKyHItwiGdJ8KegTI++md8 /qDBVyn0bqsOeUKWmAquiv+7XQ3GZGWvP/yW6mX3JcIKHE1k3i3mB8hecNbZ4qFf2ZQ== 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=XxvN7kOb; 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 BBF86606A31E for ; Wed, 28 Oct 2026 15:57:19 +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=XxvN7kOb Received: by smtp.kernel.org (Postfix) with ESMTPSA id 3A0E41F01825; Wed, 28 Oct 2026 15:57:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1793203039; bh=nZ2Zn4p2yHay7T05kfjvZMygKmfkQPxVMNiCmR9S0qw=; h=From:Subject:Reply-To:To:Cc:In-Reply-To:References:Date; b=XxvN7kObbdXdJlgoan5qHs3TabDUxHGRV09WWC4qI1krFAfCIHYsymJGGKC/N8NF2 LFxNYcVaKxCoRrvwc9UEj1iZXyojWrrsNvan/mqLLa/VjlkcVQ44I6TfbDbRyJnRM3 QTHH1SdjEK4kyIE4XaT7gGeY0U9JZjFg2DQQJUjkWpR9r1ehmNTpkhgTHc6cMczv2O kO4JRNaPVVx1ek5BrFoHBFoLsQqnW6KiQYNVHsbGWOShDgkXmlmI0ZCbPIlrxsxglk i+n2HZzhjmgsGQXTvTCJA1jkZb5VAPVtUan8V13nk9efAGTN+QH2Bdxq6eSX3dH8/4 CuWPDMNeQ+6ZA== Message-ID: From: sashiko-bot@kernel.org Subject: Re: [PATCH] mm/damon: skip folios already on the migration target node Reply-To: sashiko-reviews@lists.linux.dev To: "Aveline Noir" Cc: damon@lists.linux.dev In-Reply-To: <179320218513.2.7432933245840036676.damon-same-node-skip@gmail.com> References: <179320218513.2.7432933245840036676.damon-same-node-skip@gmail.com> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Date: Wed, 28 Oct 2026 15:57:18 +0000 X-Mailing-List: damon@lists.linux.dev List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list > While measuring DAMOS migration overhead, I found that the target_nid > path isolates folios already on the target node, then puts them back on > the LRU without migrating them. >=20 > Skip them before isolation in vaddr and paddr, as the vaddr explicit > destinations path already does. >=20 > Signed-off-by: Aveline Noir Sashiko has reviewed this patch and found no issues. --=20 Sashiko AI review =C2=B7 https://sashiko.dev/#/patchset/179320218513.2.7432= 933245840036676.damon-same-node-skip@gmail.com?part=3D1