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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0A8EEC77B70 for ; Thu, 6 Apr 2023 03:04:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235124AbjDFDER (ORCPT ); Wed, 5 Apr 2023 23:04:17 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57684 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234942AbjDFDDw (ORCPT ); Wed, 5 Apr 2023 23:03:52 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B719A975E for ; Wed, 5 Apr 2023 20:03:43 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 56A4964218 for ; Thu, 6 Apr 2023 03:03:43 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id AB428C433EF; Thu, 6 Apr 2023 03:03:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1680750222; bh=cE3JIshJpFxLp7xumY5oYYkVk7Kn1qJM2r+xyTkVkXo=; h=Date:To:From:Subject:From; b=i+elttA6Bcf6B/wtB7i74t7S/lNAEVBaNCZoRBRzlGT8wGPGMYxRlJkqddRs3RPfc YfY1KAQJwjDmbmzzIWgjkQ/z6osZLaoHmb8ISI33W3BK5hhvCLV14jGQ1P+qANv+4c 2VTkVvOpHF57e6RoU+j+eDN9aWJqbJU+3CwBC3e8= Date: Wed, 05 Apr 2023 20:03:42 -0700 To: mm-commits@vger.kernel.org, david@redhat.com, 42.hyeyoo@gmail.com, surenb@google.com, akpm@linux-foundation.org From: Andrew Morton Subject: [merged mm-stable] mm-write-lock-vmas-before-removing-them-from-vma-tree.patch removed from -mm tree Message-Id: <20230406030342.AB428C433EF@smtp.kernel.org> Precedence: bulk Reply-To: linux-kernel@vger.kernel.org List-ID: X-Mailing-List: mm-commits@vger.kernel.org The quilt patch titled Subject: mm: write-lock VMAs before removing them from VMA tree has been removed from the -mm tree. Its filename was mm-write-lock-vmas-before-removing-them-from-vma-tree.patch This patch was dropped because it was merged into the mm-stable branch of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm ------------------------------------------------------ From: Suren Baghdasaryan Subject: mm: write-lock VMAs before removing them from VMA tree Date: Mon, 27 Feb 2023 09:36:17 -0800 Write-locking VMAs before isolating them ensures that page fault handlers don't operate on isolated VMAs. [surenb@google.com: mm/nommu: remove unnecessary VMA locking] Link: https://lkml.kernel.org/r/20230301190457.1498985-1-surenb@google.com Link: https://lore.kernel.org/all/Y%2F8CJQGNuMUTdLwP@localhost/ Link: https://lkml.kernel.org/r/20230227173632.3292573-19-surenb@google.com Signed-off-by: Suren Baghdasaryan Cc: David Hildenbrand Cc: Hyeonggon Yoo <42.hyeyoo@gmail.com> Signed-off-by: Andrew Morton --- mm/mmap.c | 1 + 1 file changed, 1 insertion(+) --- a/mm/mmap.c~mm-write-lock-vmas-before-removing-them-from-vma-tree +++ a/mm/mmap.c @@ -2270,6 +2270,7 @@ int split_vma(struct vma_iterator *vmi, static inline int munmap_sidetree(struct vm_area_struct *vma, struct ma_state *mas_detach) { + vma_start_write(vma); mas_set_range(mas_detach, vma->vm_start, vma->vm_end - 1); if (mas_store_gfp(mas_detach, vma, GFP_KERNEL)) return -ENOMEM; _ Patches currently in -mm which might be from surenb@google.com are