From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from invmail4.hynix.com (exvmail4.skhynix.com [166.125.252.92]) by smtp.subspace.kernel.org (Postfix) with ESMTP id A95D86FB5 for ; Tue, 13 Feb 2024 01:19:31 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=166.125.252.92 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707787176; cv=none; b=dyQ2QGKR231d0ppIQa2qzCuxhpLQ53e4J03dHOL+sw0ikTF3kj64z51hFushNjhUnLFH1CHas1oGhTKXaFYqMAG7f0bQtqDJ3mQuXjjtfcfVbzmUxr8aKqbnPM7AWEl+BLIpffOcYl29KgBcEG7RYl95/NXF2vim3K5B0Nw+1LA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707787176; c=relaxed/simple; bh=mFss4D680cCUxXGTFlhC9SCYicp7MiRQJezYyg6mG08=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=tiuf6ZSsj5j24DnzMLf2HtXic+HVA8YY9jqc3MoMkkjDcoCE2tFcCZQK4LRFL611QJdeSw0kW1OCBvyoS3zW7QcS+KFHwNMp6rI5W+FxmX58xoeio/h3f9HpHVUXyGDbq13H/0K/bN5aqie5N5RIbtfCRSIbouXhrXRLP0w2b3k= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=sk.com; spf=pass smtp.mailfrom=sk.com; arc=none smtp.client-ip=166.125.252.92 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=sk.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=sk.com X-AuditID: a67dfc5b-d85ff70000001748-38-65cac3a2ee15 Date: Tue, 13 Feb 2024 10:19:24 +0900 From: Byungchul Park To: Andrew Morton 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: <20240213011924.GB4147@system.software.com> References: <20240208062608.44351-1-byungchul@sk.com> <20240208062608.44351-8-byungchul@sk.com> <20240208125409.28d5aa60d88657405f5c8e1b@linux-foundation.org> 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-Disposition: inline In-Reply-To: <20240208125409.28d5aa60d88657405f5c8e1b@linux-foundation.org> User-Agent: Mutt/1.9.4 (2018-02-28) X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFtrKIsWRmVeSWpSXmKPExsXC9ZZnoe6iw6dSDZpn8FnMWb+GzeLzhn9s Fi82tDNafF3/i9ni6ac+FovLu+awWdxb85/V4vyutawWO5buY7K4dGABk8X1XQ8ZLY73HmCy mH/vM5vF5k1TmS2OT5nKaPH7B1DHyVmTWRwEPb639rF47Jx1l91jwaZSj80rtDwW73nJ5LFp VSebx6ZPk9g93p07x+5xYsZvFo95JwM93u+7yuax9ZedR+PUa2wenzfJebyb/5YtgD+KyyYl NSezLLVI3y6BK2PWo0XsBW+ZKo78Xs3ewDifqYuRk0NCwETi4tMmNhj7/Kc1QHEODhYBVYnX 93RAwmwC6hI3bvxkBrFFBHQlVj3fBWRzcTALfGGSuHDrOFhCWCBD4nn7MxYQm1fAXOLHqoes IEVCAosYJR5+mQmVEJQ4OfMJmM0soCVx499LsGXMAtISy/9xgJicAt4Ss0+qglSICihLHNh2 HOrMXewSe19LQNiSEgdX3GCZwCgwC8nQWUiGzkIYuoCReRWjUGZeWW5iZo6JXkZlXmaFXnJ+ 7iZGYGQuq/0TvYPx04XgQ4wCHIxKPLwJKqdShVgTy4orcw8xSnAwK4nwXppxIlWINyWxsiq1 KD++qDQntfgQozQHi5I4r9G38hQhgfTEktTs1NSC1CKYLBMHp1QDY4ixe97dhMp9N+v/W7tH Z6yOOMaysGJP/k651bYm/0JYNzzqZ5sjFnzoRMo75cKLBdNy81/rq+wXr94ntGfbQ6Xlk7bs 6Jhr2Njup9A2k3WOQdeZFMGw1ik53tcPhx8Lyn7nyt/JfHrmXh3Lw3/E85o1VYPeykw3Wbh4 X4OugmtAYqJyzJ0oJZbijERDLeai4kQAZSHmucgCAAA= X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFprLIsWRmVeSWpSXmKPExsXC5WfdrLvo8KlUg9MtzBZz1q9hs/i84R+b xYsN7YwWX9f/YrZ4+qmPxeLw3JOsFpd3zWGzuLfmP6vF+V1rWS12LN3HZHHpwAImi+u7HjJa HO89wGQx/95nNovNm6YyWxyfMpXR4vcPoI6TsyazOAh5fG/tY/HYOesuu8eCTaUem1doeSze 85LJY9OqTjaPTZ8msXu8O3eO3ePEjN8sHvNOBnq833eVzWPxiw9MHlt/2Xk0Tr3G5vF5k5zH u/lv2QIEorhsUlJzMstSi/TtErgyZj1axF7wlqniyO/V7A2M85m6GDk5JARMJM5/WgNkc3Cw CKhKvL6nAxJmE1CXuHHjJzOILSKgK7Hq+S4gm4uDWeALk8SFW8fBEsICGRLP25+xgNi8AuYS P1Y9ZAUpEhJYxCjx8MtMqISgxMmZT8BsZgEtiRv/XoItYxaQllj+jwPE5BTwlph9UhWkQlRA WeLAtuNMExh5ZyFpnoWkeRZC8wJG5lWMIpl5ZbmJmTmmesXZGZV5mRV6yfm5mxiBkbas9s/E HYxfLrsfYhTgYFTi4U1QOZUqxJpYVlyZe4hRgoNZSYT30owTqUK8KYmVValF+fFFpTmpxYcY pTlYlMR5vcJTE4QE0hNLUrNTUwtSi2CyTBycUg2MRx0fWs+/7qupePW/VnGl6/Sl/1Wl5Bem NlxR9pkutPDUrVjBwAV2IrHhEp2yzpmr5YxW8U0TUv7x2cUr/u33vBPVW1dZyO/ewCZ6LM1+ k07h/1P/xILPJ2hm/52xQ+1ZRP5JsY0iG+x7BM1kzqeZJ4jWHFINLf4yafPex/G6V1lTM64u M3FVYinOSDTUYi4qTgQA6QpBnrACAAA= X-CFilter-Loop: Reflected On Thu, Feb 08, 2024 at 12:54:09PM -0800, Andrew Morton wrote: > 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? Sure. I should've put this in the cover letter. Thanks. Byungchul