From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 14D9FC54798 for ; Tue, 5 Mar 2024 22:04:27 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 880346B007D; Tue, 5 Mar 2024 17:04:26 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 82FE76B007E; Tue, 5 Mar 2024 17:04:26 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 720826B008C; Tue, 5 Mar 2024 17:04:26 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0011.hostedemail.com [216.40.44.11]) by kanga.kvack.org (Postfix) with ESMTP id 633CE6B007D for ; Tue, 5 Mar 2024 17:04:26 -0500 (EST) Received: from smtpin10.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay04.hostedemail.com (Postfix) with ESMTP id 39CA81A0A9A for ; Tue, 5 Mar 2024 22:04:26 +0000 (UTC) X-FDA: 81864364932.10.5B27968 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by imf09.hostedemail.com (Postfix) with ESMTP id 7EBA6140008 for ; Tue, 5 Mar 2024 22:04:24 +0000 (UTC) Authentication-Results: imf09.hostedemail.com; dkim=pass header.d=linuxfoundation.org header.s=korg header.b="r9c/lOqE"; dmarc=pass (policy=none) header.from=linuxfoundation.org; spf=pass (imf09.hostedemail.com: domain of gregkh@linuxfoundation.org designates 139.178.84.217 as permitted sender) smtp.mailfrom=gregkh@linuxfoundation.org ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1709676264; a=rsa-sha256; cv=none; b=PEFvjJZtxN+4Wgoop/sObPF7YYGJyWIiu4yfVxCs5hhB1gla2LEbzNedOac8zK0M91QGX0 lmDisuWX04xO9H0Gq6H5FbaSfKO6iQGDDrlOP017RRLZo7mMzSEz094Ni9NhVLvi1eb/AW VbCUIoxp5z9EaBUvlkWo5+wbpxpn1kI= ARC-Authentication-Results: i=1; imf09.hostedemail.com; dkim=pass header.d=linuxfoundation.org header.s=korg header.b="r9c/lOqE"; dmarc=pass (policy=none) header.from=linuxfoundation.org; spf=pass (imf09.hostedemail.com: domain of gregkh@linuxfoundation.org designates 139.178.84.217 as permitted sender) smtp.mailfrom=gregkh@linuxfoundation.org ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1709676264; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=pkM2JALmWUwHh6eZlG8JjLiWpOvZcqYLKqj62NtaXTU=; b=WZ1Hv7KsNyn36zygN9Vu/WWC9apIVr8CB5X6dT2iRJ8IrxyXxkjdSHjyov+nUMfIHoLtJm DobYDIsHcK1dqKAeMvRBDIWWjAsmTD7p4CNexoLvbEYKPa9MbKJiKTXFJTJNKrfeu/xFcC WlDptTnDN1M6rYeyU0b832aGe684h7g= Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by dfw.source.kernel.org (Postfix) with ESMTP id 77AC961788; Tue, 5 Mar 2024 22:04:23 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id C9058C433F1; Tue, 5 Mar 2024 22:04:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1709676263; bh=L3SZf4E+sFtB7f5Dc3q1q/9Lmuv1XJiM/41dHY4DL2c=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=r9c/lOqEosm+WvgbcB/0+xcT2IxBGo+BXC457mA+kVi7JKVLOuaa4eEKHoSTq6ITn /bJbN+X3mmAaZ+msTKzzoZfPrSPJKu68MQieMrBqv3Y+h/hUQCqpGov6m+0wN36rRr Xn+33pnNVXwL6w2rtTP1nMWNSVpMSlbcxZK7SEqM= Date: Tue, 5 Mar 2024 22:04:19 +0000 From: Greg KH To: Zi Yan Cc: stable@vger.kernel.org, linux-mm@kvack.org, Charan Teja Kalla , "Matthew Wilcox (Oracle)" , David Hildenbrand , Andrew Morton , Huang Ying , Naoya Horiguchi Subject: Re: [PATCH STABLE v6.1.y] mm/migrate: set swap entry values of THP tail pages properly. Message-ID: <2024030506-quotable-kerosene-6820@gregkh> References: <20240305161313.90954-1-zi.yan@sent.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20240305161313.90954-1-zi.yan@sent.com> X-Rspam-User: X-Rspamd-Server: rspam06 X-Rspamd-Queue-Id: 7EBA6140008 X-Stat-Signature: 75j8a7bg8fge61c76mgnwgnx14duioq5 X-HE-Tag: 1709676264-372287 X-HE-Meta: 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 dNQiZy3n dR9Lc10knoC8mcyKyauv8pS/kKmOPQu4WUKSw9PfyDjcLDOaaQH2/aupHhB+LjVZwLiIT6S9MFusGAq/3A4kuBWWurWoXd7faakYihpFAGlUY2GjgAPTNuWX08ntmwS+iCgyVdHaede/YoT7TyiDeJ83Sg5zdJJ67E/d+kXqDS5yc2Da8syU/NybTVHDDHZekMbKqhWi8Gi+0g/v8U8/ve4VJukx9BE/cgYaN6x3c+K8Gbo8TBtSFM9+KhrI988AlMLb9TGbJb/KRBQg= X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Tue, Mar 05, 2024 at 11:13:13AM -0500, Zi Yan wrote: > From: Zi Yan > > The tail pages in a THP can have swap entry information stored in their > private field. When migrating to a new page, all tail pages of the new > page need to update ->private to avoid future data corruption. > > Signed-off-by: Zi Yan > --- > mm/migrate.c | 6 +++++- > 1 file changed, 5 insertions(+), 1 deletion(-) What is the git commit id of this change in Linus's tree? thanks, greg k-h