Patch Detail
get:
Show a patch.
patch:
Update a patch.
put:
Update a patch.
GET /api/patches/2216239/?format=api
{ "id": 2216239, "url": "http://patchwork.ozlabs.org/api/patches/2216239/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linuxppc-dev/patch/20260326080836.695207-4-surenb@google.com/", "project": { "id": 2, "url": "http://patchwork.ozlabs.org/api/projects/2/?format=api", "name": "Linux PPC development", "link_name": "linuxppc-dev", "list_id": "linuxppc-dev.lists.ozlabs.org", "list_email": "linuxppc-dev@lists.ozlabs.org", "web_url": "https://github.com/linuxppc/wiki/wiki", "scm_url": "https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git", "webscm_url": "https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git/", "list_archive_url": "https://lore.kernel.org/linuxppc-dev/", "list_archive_url_format": "https://lore.kernel.org/linuxppc-dev/{}/", "commit_url_format": "https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git/commit/?id={}" }, "msgid": "<20260326080836.695207-4-surenb@google.com>", "list_archive_url": "https://lore.kernel.org/linuxppc-dev/20260326080836.695207-4-surenb@google.com/", "date": "2026-03-26T08:08:33", "name": "[v5,3/6] mm/khugepaged: use vma_start_write_killable() in collapse_huge_page()", "commit_ref": null, "pull_url": null, "state": "handled-elsewhere", "archived": false, "hash": "068d8713728d7d5cf86710fe23db5021a2376055", "submitter": { "id": 74729, "url": "http://patchwork.ozlabs.org/api/people/74729/?format=api", "name": "Suren Baghdasaryan", "email": "surenb@google.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/linuxppc-dev/patch/20260326080836.695207-4-surenb@google.com/mbox/", "series": [ { "id": 497545, "url": "http://patchwork.ozlabs.org/api/series/497545/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linuxppc-dev/list/?series=497545", "date": "2026-03-26T08:08:30", "name": "[v5,1/6] mm/vma: cleanup error handling path in vma_expand()", "version": 5, "mbox": "http://patchwork.ozlabs.org/series/497545/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2216239/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2216239/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "\n <linuxppc-dev+bounces-18813-incoming=patchwork.ozlabs.org@lists.ozlabs.org>", "X-Original-To": [ "incoming@patchwork.ozlabs.org", "linuxppc-dev@lists.ozlabs.org" ], "Delivered-To": "patchwork-incoming@legolas.ozlabs.org", "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=google.com header.i=@google.com header.a=rsa-sha256\n header.s=20251104 header.b=TMaugdGf;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=lists.ozlabs.org\n (client-ip=112.213.38.117; helo=lists.ozlabs.org;\n envelope-from=linuxppc-dev+bounces-18813-incoming=patchwork.ozlabs.org@lists.ozlabs.org;\n receiver=patchwork.ozlabs.org)", "lists.ozlabs.org;\n arc=none smtp.remote-ip=\"2607:f8b0:4864:20::1349\"", "lists.ozlabs.org;\n dmarc=pass (p=reject dis=none) header.from=google.com", "lists.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=google.com header.i=@google.com header.a=rsa-sha256\n header.s=20251104 header.b=TMaugdGf;\n\tdkim-atps=neutral", "lists.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=flex--surenb.bounces.google.com\n (client-ip=2607:f8b0:4864:20::1349; helo=mail-dy1-x1349.google.com;\n envelope-from=3j-neaqykdmo8a7u3rw44w1u.s421y3ad55s-tub1y898.4f1qr8.47w@flex--surenb.bounces.google.com;\n receiver=lists.ozlabs.org)" ], "Received": [ "from lists.ozlabs.org (lists.ozlabs.org [112.213.38.117])\n\t(using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)\n\t key-exchange x25519)\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4fhGdN6fKpz1y1x\n\tfor <incoming@patchwork.ozlabs.org>; Thu, 26 Mar 2026 19:09:12 +1100 (AEDT)", "from boromir.ozlabs.org (localhost [127.0.0.1])\n\tby lists.ozlabs.org (Postfix) with ESMTP id 4fhGcy6P5Wz2yr4;\n\tThu, 26 Mar 2026 19:08:50 +1100 (AEDT)", "from mail-dy1-x1349.google.com (mail-dy1-x1349.google.com\n [IPv6:2607:f8b0:4864:20::1349])\n\t(using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)\n\t key-exchange x25519 server-signature RSA-PSS (2048 bits) server-digest\n SHA256)\n\t(No client certificate requested)\n\tby lists.ozlabs.org (Postfix) with ESMTPS id 4fhGcy045Qz2xd6\n\tfor <linuxppc-dev@lists.ozlabs.org>; Thu, 26 Mar 2026 19:08:49 +1100 (AEDT)", "by mail-dy1-x1349.google.com with SMTP id\n 5a478bee46e88-2bda35eab74so476603eec.0\n for <linuxppc-dev@lists.ozlabs.org>;\n Thu, 26 Mar 2026 01:08:49 -0700 (PDT)" ], "ARC-Seal": "i=1; a=rsa-sha256; d=lists.ozlabs.org; s=201707; t=1774512530;\n\tcv=none;\n b=TGRqjwbKDWLy4CyFKeZuqpKzq6IfSmvWCTgZO5eOUeDlklzmG3W80DcHhT4nQaXrCvBNueVfdBeb/BgU81E7g4sen9yh9Xk7OzkOjVFhJ8IKWnZRTUCMbdTAC6yjQdfiSFTcGZi/A9eHAY5hU/Eaj3z3wBZEH7qWyT9qCsHNV7qwnwSdYVJdyajK/w/23Lqer/rpWzx4VW/5WPU0JGD+4z7jjGdh7n4CTH1IsRXWPfzA82RjKPEcEnd85CKe4BJYsBC0Mdy24wK+fWZqcGNhEtUoXPKFoReHrcbxhm1xcbpUX+1QT+yAB8rF6fKMRXOcaolhA19P9YXBLsH0mHPMRw==", "ARC-Message-Signature": "i=1; a=rsa-sha256; d=lists.ozlabs.org; s=201707;\n\tt=1774512530; c=relaxed/relaxed;\n\tbh=f0m3laKqVZc6BVbp9FlOKUOANtvuTeySm/ZmFaYOMpk=;\n\th=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From:\n\t To:Cc:Content-Type;\n b=QY2v1PQQf8L5dFcaJi5BcwoJdaALG7HpPd87xfvf2ymeLbCXSRhr+EL7Xqu00F8BIlqksloLmLpKzc2Qygq+ogJ5S1lLnLfrn9hxZ9tvHghSnu030zOiotp41Kkk/o1Mz9cXYVqED5I4kFVOQLDj7TfqUpOiHzi7C85RAs49BM4Q4mZU2jBO78wOUA0QFdKBsoskKmFHfDb8lHtkXGWCI9YFXfiZ6FQ3+LXd+pQJEPmLjfsfQLYcZxfQ7A52ViEK2nUm6IhUv/9xBeCsljNGwyjMPBiTNRdO3eBSL28ciDz8JfQVsFKLwwXZjIBGNuAS3NDOpaIFJzddcw2N3+AsnQ==", "ARC-Authentication-Results": "i=1; lists.ozlabs.org;\n dmarc=pass (p=reject dis=none) header.from=google.com;\n dkim=pass (2048-bit key;\n unprotected) header.d=google.com header.i=@google.com header.a=rsa-sha256\n header.s=20251104 header.b=TMaugdGf; dkim-atps=neutral;\n spf=pass (client-ip=2607:f8b0:4864:20::1349; helo=mail-dy1-x1349.google.com;\n envelope-from=3j-neaqykdmo8a7u3rw44w1u.s421y3ad55s-tub1y898.4f1qr8.47w@flex--surenb.bounces.google.com;\n receiver=lists.ozlabs.org) smtp.mailfrom=flex--surenb.bounces.google.com", "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed;\n d=google.com; s=20251104; t=1774512528; x=1775117328;\n darn=lists.ozlabs.org;\n h=cc:to:from:subject:message-id:references:mime-version:in-reply-to\n :date:from:to:cc:subject:date:message-id:reply-to;\n bh=f0m3laKqVZc6BVbp9FlOKUOANtvuTeySm/ZmFaYOMpk=;\n b=TMaugdGfh026dm89OCY8hIY783kdWy1NvUIHy1EbkrKO8uxjbKqJrV0iMj+vhuV7sW\n ycqfy1CQ1G3URzsp859WgajK7HV6VrwyZube9iUONpq5YNHEKg/DgwSbX7gEedsudGVc\n e1A9k6jVXhD95HswOYa4RW4QHgbGq6D1hd5uCLFsAb06jQT2//2R4niZrU4T3srlKg1z\n mg6wuuoL4VXVIRDFGvD86A9ROh5IOLQtHnUCcqwhOYuClUOnJmRMRi/HGhK2lxmpdQRg\n qJkkSU6N+Y+FsnonW3uEIS9s95eqmdBN8z8o4EgaoWr8SyM2G9b7ZYcWYKWYoyUkcchn\n yLfg==", "X-Google-DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed;\n d=1e100.net; s=20251104; t=1774512528; x=1775117328;\n h=cc:to:from:subject:message-id:references:mime-version:in-reply-to\n :date:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to;\n bh=f0m3laKqVZc6BVbp9FlOKUOANtvuTeySm/ZmFaYOMpk=;\n b=OeK6vXCIIpQYxbVPawYkieSegn1URG1TkzFpq6pQ8AhjyywZbMfXmBQKhHFrcyc9Uy\n EvEZa9QrZpRUJz9xGGYoxZ/MFivhKHae0SN8iIHx0G8MwWz/he55U+4c5MWTxUCqvDKu\n o9prH2/quXeyRXH/EZ7WhTg055BtjRkFrynNTWci2BZGd1tQ3jPmcVhXaWpPFL7fJx3C\n bjJfSCUT60Lq9WtfWsu4cCQ+JrdINQYtGvDnQ6zeEdQAPAZXail54zn5T45XhQ5R59QC\n jiGcDquJU/KzQG2fOF4QE3qJRse8p4eEtb1/QR2Oed0ZbrJqwgKzoR1bYvqeD7KdfYyb\n 5Q/Q==", "X-Forwarded-Encrypted": "i=1;\n AJvYcCWWjmICg7zXPbPGuXCEP5pNANd1bVJh9Q4nXJ5lecEvup8F1Y2KjIm9385bZByBwqf+EiBqg63M7BDV66w=@lists.ozlabs.org", "X-Gm-Message-State": "AOJu0YznFzhi80QGtGXou9MZQplhiycCjkrlkCbdEaup8RGRSwFeLbee\n\tWLXRS2nQ03Ja6AFI3J5XthDRFm2D5r8kfG7JEa6gUyuAYG4tN1zJAzsioC+XDWFfT6C0AurYKwl\n\tdWRSMFA==", "X-Received": "from dybvq8.prod.google.com ([2002:a05:7301:77c8:b0:2c1:da8:eab3])\n (user=surenb job=prod-delivery.src-stubby-dispatcher) by\n 2002:a05:7300:724c:b0:2ba:6f16:10cf\n with SMTP id 5a478bee46e88-2c17726234cmr295020eec.14.1774512527594; Thu, 26\n Mar 2026 01:08:47 -0700 (PDT)", "Date": "Thu, 26 Mar 2026 01:08:33 -0700", "In-Reply-To": "<20260326080836.695207-1-surenb@google.com>", "X-Mailing-List": "linuxppc-dev@lists.ozlabs.org", "List-Id": "<linuxppc-dev.lists.ozlabs.org>", "List-Help": "<mailto:linuxppc-dev+help@lists.ozlabs.org>", "List-Owner": "<mailto:linuxppc-dev+owner@lists.ozlabs.org>", "List-Post": "<mailto:linuxppc-dev@lists.ozlabs.org>", "List-Archive": "<https://lore.kernel.org/linuxppc-dev/>,\n <https://lists.ozlabs.org/pipermail/linuxppc-dev/>", "List-Subscribe": "<mailto:linuxppc-dev+subscribe@lists.ozlabs.org>,\n <mailto:linuxppc-dev+subscribe-digest@lists.ozlabs.org>,\n <mailto:linuxppc-dev+subscribe-nomail@lists.ozlabs.org>", "List-Unsubscribe": "<mailto:linuxppc-dev+unsubscribe@lists.ozlabs.org>", "Precedence": "list", "Mime-Version": "1.0", "References": "<20260326080836.695207-1-surenb@google.com>", "X-Mailer": "git-send-email 2.53.0.1018.g2bb0e51243-goog", "Message-ID": "<20260326080836.695207-4-surenb@google.com>", "Subject": "[PATCH v5 3/6] mm/khugepaged: use vma_start_write_killable() in\n collapse_huge_page()", "From": "Suren Baghdasaryan <surenb@google.com>", "To": "akpm@linux-foundation.org", "Cc": "willy@infradead.org, david@kernel.org, ziy@nvidia.com,\n\tmatthew.brost@intel.com, joshua.hahnjy@gmail.com, rakie.kim@sk.com,\n\tbyungchul@sk.com, gourry@gourry.net, ying.huang@linux.alibaba.com,\n\tapopple@nvidia.com, lorenzo.stoakes@oracle.com,\n baolin.wang@linux.alibaba.com,\n\tLiam.Howlett@oracle.com, npache@redhat.com, ryan.roberts@arm.com,\n\tdev.jain@arm.com, baohua@kernel.org, lance.yang@linux.dev, vbabka@suse.cz,\n\tjannh@google.com, rppt@kernel.org, mhocko@suse.com, pfalcato@suse.de,\n\tkees@kernel.org, maddy@linux.ibm.com, npiggin@gmail.com, mpe@ellerman.id.au,\n\tchleroy@kernel.org, borntraeger@linux.ibm.com, frankja@linux.ibm.com,\n\timbrenda@linux.ibm.com, hca@linux.ibm.com, gor@linux.ibm.com,\n\tagordeev@linux.ibm.com, svens@linux.ibm.com, gerald.schaefer@linux.ibm.com,\n\tlinux-mm@kvack.org, linuxppc-dev@lists.ozlabs.org, kvm@vger.kernel.org,\n\tlinux-kernel@vger.kernel.org, linux-s390@vger.kernel.org, surenb@google.com,\n\t\"Lorenzo Stoakes (Oracle)\" <ljs@kernel.org>", "Content-Type": "text/plain; charset=\"UTF-8\"", "X-Spam-Status": "No, score=-7.6 required=3.0 tests=DKIMWL_WL_MED,DKIM_SIGNED,\n\tDKIM_VALID,DKIM_VALID_AU,RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS,\n\tUSER_IN_DEF_DKIM_WL autolearn=disabled version=4.0.1 OzLabs 8", "X-Spam-Checker-Version": "SpamAssassin 4.0.1 (2024-03-25) on lists.ozlabs.org" }, "content": "Replace vma_start_write() with vma_start_write_killable(), improving\nreaction time to the kill signal.\nReplace vma_start_write() in collapse_huge_page().\n\nSuggested-by: Matthew Wilcox <willy@infradead.org>\nSigned-off-by: Suren Baghdasaryan <surenb@google.com>\nReviewed-by: Lorenzo Stoakes (Oracle) <ljs@kernel.org>\n---\n mm/khugepaged.c | 5 ++++-\n 1 file changed, 4 insertions(+), 1 deletion(-)", "diff": "diff --git a/mm/khugepaged.c b/mm/khugepaged.c\nindex d06d84219e1b..a1825a4dec8b 100644\n--- a/mm/khugepaged.c\n+++ b/mm/khugepaged.c\n@@ -1166,7 +1166,10 @@ static enum scan_result collapse_huge_page(struct mm_struct *mm, unsigned long a\n \tif (result != SCAN_SUCCEED)\n \t\tgoto out_up_write;\n \t/* check if the pmd is still valid */\n-\tvma_start_write(vma);\n+\tif (vma_start_write_killable(vma)) {\n+\t\tresult = SCAN_FAIL;\n+\t\tgoto out_up_write;\n+\t}\n \tresult = check_pmd_still_valid(mm, address, pmd);\n \tif (result != SCAN_SUCCEED)\n \t\tgoto out_up_write;\n", "prefixes": [ "v5", "3/6" ] }