Received: by 2002:a05:7412:3b8b:b0:fc:a2b0:25d7 with SMTP id nd11csp527501rdb; Thu, 8 Feb 2024 12:54:20 -0800 (PST) X-Google-Smtp-Source: AGHT+IHK6XZNA8kKr9yLl3mwKCEV+V+DOsZvsNgpbGsC684Mj+0oYoaEanCYYgF5zkjXF7460eo2 X-Received: by 2002:a05:6402:1b03:b0:560:799:f802 with SMTP id by3-20020a0564021b0300b005600799f802mr250649edb.21.1707425660378; Thu, 08 Feb 2024 12:54:20 -0800 (PST) ARC-Seal: i=2; a=rsa-sha256; t=1707425660; cv=pass; d=google.com; s=arc-20160816; b=NaWRxzN/0/8JSc4TKpmMMfLG4hPEDJexHEfZbsryEiIEInPKYLy1dCFrZ476hme9Jv TxRZ4zCBLUiyWdS947O2aY6TReXk7F99A2vN+7lX2EvUSeTXdKKSK1E65pk8ps1hI7U8 U4wvfGQO/9KmYxVbWLuz9UP3DUKVWUwdk4Z0pwRGxd31YC8gi4EFdTlB86BJD6bqHwQL qKGHtv72MAod0FQ0YpwALJG9YIvFybaxzmHf3ezTowTKZIPZahYBs2b/DH7Mb6/vKf+T meBVxVKKzI2ebZJhvPwSoRb/FMYLjV/9A4iaJ7JU1tgJHjA9Am6NK5nKs327+KIV6yms hKeA== ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=content-transfer-encoding:mime-version:list-unsubscribe :list-subscribe:list-id:precedence:references:in-reply-to:message-id :subject:cc:to:from:date:dkim-signature; bh=qb7Ex3sTf1FlvUuZJyrIBGxn5jfaASvR1R8IqMEMGRw=; fh=B6t82r/tSRtx4ZfI9PhiBr5HR+RSkCjq4TtCbzdUSh0=; b=nifN9R4FGjn5ZI9RFCcwPagUpEKg5EbB2XwIyLGo7ZqXheH5EfCV2rRhsyPllWUHiV nra4408pxQs/irS3Z2RVBEldRs+Hapxy8R7lrmtqEXVpEbnsA1m9jvUZQX2pNoTw/2fu 67DeYuxSen+xDpM/H5rn65jInhxZ9pEuitir4U+ItKqRei1GFfDxtLWXMr4E3Jz2cGUI 8RwPHpYdY7iENiJQy6HiHhmoYdXDZ6R8LpqGD+qP6QxnI1jzq/WK+nG0BZSmxAd5cUAV n6V9RRPTFGOPCEeRyGRb7GujnOqMIK2WYbpulN+ew9v1nAGm8MXeKFtur0lakFjg4kt7 FdUg==; dara=google.com ARC-Authentication-Results: i=2; mx.google.com; dkim=pass header.i=@linux-foundation.org header.s=korg header.b=sIFC25qJ; arc=pass (i=1 dkim=pass dkdomain=linux-foundation.org); spf=pass (google.com: domain of linux-kernel+bounces-58687-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:4601:e00::3 as permitted sender) smtp.mailfrom="linux-kernel+bounces-58687-linux.lists.archive=gmail.com@vger.kernel.org" X-Forwarded-Encrypted: i=2; AJvYcCXfjdQxjAu/UJ/zbHDDKrcRD0TVXnoCVi3yRjrQreoxj87ANczp8VwxTJt7/fJtH+hLf/CQ1e5JsomxPZRUxuMAxtbZ3vjh5js3RdHtYg== Return-Path: Received: from am.mirrors.kernel.org (am.mirrors.kernel.org. [2604:1380:4601:e00::3]) by mx.google.com with ESMTPS id b5-20020aa7cd05000000b00560b520387csi96682edw.27.2024.02.08.12.54.20 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 08 Feb 2024 12:54:20 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel+bounces-58687-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:4601:e00::3 as permitted sender) client-ip=2604:1380:4601:e00::3; Authentication-Results: mx.google.com; dkim=pass header.i=@linux-foundation.org header.s=korg header.b=sIFC25qJ; arc=pass (i=1 dkim=pass dkdomain=linux-foundation.org); spf=pass (google.com: domain of linux-kernel+bounces-58687-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:4601:e00::3 as permitted sender) smtp.mailfrom="linux-kernel+bounces-58687-linux.lists.archive=gmail.com@vger.kernel.org" Received: from smtp.subspace.kernel.org (wormhole.subspace.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by am.mirrors.kernel.org (Postfix) with ESMTPS id 2578D1F255FC for ; Thu, 8 Feb 2024 20:54:20 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id D03BF4BA8D; Thu, 8 Feb 2024 20:54:11 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b="sIFC25qJ" Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 0300411CAF for ; Thu, 8 Feb 2024 20:54:10 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707425651; cv=none; b=tm33SmvoCPcBIyWIo+UkXhz091qviAxZtSXVqDr00/12JEdUYHeo4b35N9z/fv+LU8UxP9ipAd2dcBA/dWLEifGsrmF6NStkMl0TKYrKiwf9BYq90KPXJlczab6D9Ep5GlmaqGpkGYoc5T4t3jTso4PpSSbPMjuRAZAgrkXbtRo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707425651; c=relaxed/simple; bh=lVKgetkWYnLj+KtF4Z88XXytHWtTBc7STnJTaCzNPuI=; h=Date:From:To:Cc:Subject:Message-Id:In-Reply-To:References: Mime-Version:Content-Type; b=bOjv/zLbVa0DKwksPrWdhKh5sqydK2Vjc4QEkSr+rE13nUMKtdANGcnKLETUc1lmnnAWRUQZjRUOp5VF+YIbCeS90aQF8hJwTxtVLstC/GAKybDKj9k/IrP7A+jv9KejYPTnkggVdBWvinQ23bZhnv3aBAxapve52rTJ0duktoY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b=sIFC25qJ; arc=none smtp.client-ip=10.30.226.201 Received: by smtp.kernel.org (Postfix) with ESMTPSA id D45BFC433F1; Thu, 8 Feb 2024 20:54:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1707425650; bh=lVKgetkWYnLj+KtF4Z88XXytHWtTBc7STnJTaCzNPuI=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=sIFC25qJpPpWXruDfNT5iyKz8ukpn+X3bfKb1vV/q8CRb5AIudAlJiqVCD/rNtO4X a2IBgZz203bWRu2JPtvlDAgpsltCGUqIrnYXL2fyfMQYw1rvIH5QNDpOBgZf/SwIOn hSk7TlEeiCY5pclrg8GCV7YTV/s2uYqGmtcJPZZE= Date: Thu, 8 Feb 2024 12:54:09 -0800 From: Andrew Morton To: Byungchul Park Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org, kernel_team@skhynix.com, ying.huang@intel.com, namit@vmware.com, vernhao@tencent.com, mgorman@techsingularity.net, hughd@google.com, willy@infradead.org, david@redhat.com, peterz@infradead.org, luto@kernel.org, tglx@linutronix.de, mingo@redhat.com, bp@alien8.de, dave.hansen@linux.intel.com, rjgolo@gmail.com Subject: Re: [RESEND PATCH v7 7/8] mm: Defer TLB flush by keeping both src and dst folios at migration Message-Id: <20240208125409.28d5aa60d88657405f5c8e1b@linux-foundation.org> In-Reply-To: <20240208062608.44351-8-byungchul@sk.com> References: <20240208062608.44351-1-byungchul@sk.com> <20240208062608.44351-8-byungchul@sk.com> X-Mailer: Sylpheed 3.8.0beta1 (GTK+ 2.24.33; x86_64-pc-linux-gnu) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit On Thu, 8 Feb 2024 15:26:07 +0900 Byungchul Park wrote: > Implementation of MIGRC mechanism that stands for 'Migration Read Copy'. Oh there is it. Please put this in the [0/N] cover letter?