Message ID | 20200904233607.3awgBCtEU%akpm@linux-foundation.org (mailing list archive) |
---|---|
State | New, archived |
Headers | show
Return-Path: <SRS0=0xW6=CN=kvack.org=owner-linux-mm@kernel.org> Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 15465138E for <patchwork-linux-mm@patchwork.kernel.org>; Fri, 4 Sep 2020 23:36:11 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id C451F2084D for <patchwork-linux-mm@patchwork.kernel.org>; Fri, 4 Sep 2020 23:36:10 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="b7snsfFo" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C451F2084D Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=linux-foundation.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id A4EC86B007B; Fri, 4 Sep 2020 19:36:09 -0400 (EDT) Delivered-To: linux-mm-outgoing@kvack.org Received: by kanga.kvack.org (Postfix, from userid 40) id A00276B007D; Fri, 4 Sep 2020 19:36:09 -0400 (EDT) X-Original-To: int-list-linux-mm@kvack.org X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 93C076B007E; Fri, 4 Sep 2020 19:36:09 -0400 (EDT) X-Original-To: linux-mm@kvack.org X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0053.hostedemail.com [216.40.44.53]) by kanga.kvack.org (Postfix) with ESMTP id 7BA4F6B007B for <linux-mm@kvack.org>; Fri, 4 Sep 2020 19:36:09 -0400 (EDT) Received: from smtpin04.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay02.hostedemail.com (Postfix) with ESMTP id 3CD5633CD for <linux-mm@kvack.org>; Fri, 4 Sep 2020 23:36:09 +0000 (UTC) X-FDA: 77226989658.04.blow30_480103a270b6 Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin04.hostedemail.com (Postfix) with ESMTP id 126028008423 for <linux-mm@kvack.org>; Fri, 4 Sep 2020 23:36:09 +0000 (UTC) X-Spam-Summary: 1,0,0,31b0c4a1ebd6b6b8,d41d8cd98f00b204,akpm@linux-foundation.org,,RULES_HIT:41:355:379:800:960:967:968:973:988:989:1260:1345:1359:1381:1431:1437:1534:1541:1711:1730:1747:1777:1792:2393:2525:2559:2563:2682:2685:2859:2902:2933:2937:2939:2942:2945:2947:2951:2954:3022:3138:3139:3140:3141:3142:3352:3865:3867:3868:3870:3872:3934:3936:3938:3941:3944:3947:3950:3953:3956:3959:4250:4321:5007:6261:6653:7576:7904:9025:9545:10004:11026:11658:11914:12043:12048:12114:12297:12438:12517:12519:12555:12679:12986:13069:13161:13229:13311:13357:13846:14181:14384:14721:21080:21451:21627:21939:30012:30054:30064,0,RBL:198.145.29.99:@linux-foundation.org:.lbl8.mailshell.net-64.100.201.201 62.2.0.100;04ygga5pt1k5fj4esfwpnhijq9zcryc6sq1coy33rtjwyk977ibsr5azrj8g1hw.jdqjtxgxkjy5wbbi4rkkqwhxjrr454dzcr3z4o6zamzh1qrhtt9d8brbfi17ed9.y-lbl8.mailshell.net-223.238.255.100,CacheIP:none,Bayesian:0.5,0.5,0.5,Netcheck:none,DomainCache:0,MSF:not bulk,SPF:fp,MSBL:0,DNSBL:neutral,Custom_rules:0:0:0,LFt ime:22,L X-HE-Tag: blow30_480103a270b6 X-Filterd-Recvd-Size: 2765 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by imf22.hostedemail.com (Postfix) with ESMTP for <linux-mm@kvack.org>; Fri, 4 Sep 2020 23:36:08 +0000 (UTC) Received: from localhost.localdomain (c-71-198-47-131.hsd1.ca.comcast.net [71.198.47.131]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 97FB42087C; Fri, 4 Sep 2020 23:36:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1599262567; bh=XFcbUquuVZKhTfux06RZiOgOdM1c4My4s7e0Hn0J5B0=; h=Date:From:To:Subject:In-Reply-To:From; b=b7snsfFoaWJK1OYU07GjQ2/9oz2fIWzKHdRSevSIG23efeE1iNQt5y9n3yR6rvLhX Fl2+h0xHSE9bz6nhLt13KXjuLPS6Y6X4/mvZEERTECYzq148X9e9kbUxxlVe8Kw6sJ iPG+rhtlJbRy7SJPwWdFwMHAruhhBttWygjW5/iU= Date: Fri, 04 Sep 2020 16:36:07 -0700 From: Andrew Morton <akpm@linux-foundation.org> To: akpm@linux-foundation.org, apopple@nvidia.com, bharata@linux.ibm.com, hch@lst.de, jgg@nvidia.com, jglisse@redhat.com, linux-mm@kvack.org, mm-commits@vger.kernel.org, rcampbell@nvidia.com, torvalds@linux-foundation.org Subject: [patch 15/19] mm/migrate: preserve soft dirty in remove_migration_pte() Message-ID: <20200904233607.3awgBCtEU%akpm@linux-foundation.org> In-Reply-To: <20200904163454.4db0e6ce0c4584d2653678a3@linux-foundation.org> User-Agent: s-nail v14.8.16 X-Rspamd-Queue-Id: 126028008423 X-Spamd-Result: default: False [0.00 / 100.00] X-Rspamd-Server: rspam04 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: <linux-mm.kvack.org> |
Series |
[01/19] memcg: fix use-after-free in uncharge_batch
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expand
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--- a/mm/migrate.c~mm-migrate-preserve-soft-dirty-in-remove_migration_pte +++ a/mm/migrate.c @@ -249,6 +249,8 @@ static bool remove_migration_pte(struct if (unlikely(is_device_private_page(new))) { entry = make_device_private_entry(new, pte_write(pte)); pte = swp_entry_to_pte(entry); + if (pte_swp_soft_dirty(*pvmw.pte)) + pte = pte_swp_mksoft_dirty(pte); if (pte_swp_uffd_wp(*pvmw.pte)) pte = pte_swp_mkuffd_wp(pte); }