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 01BEAC433EF for ; Tue, 7 Jun 2022 00:47:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232744AbiFGAru (ORCPT ); Mon, 6 Jun 2022 20:47:50 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39942 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231290AbiFGArt (ORCPT ); Mon, 6 Jun 2022 20:47:49 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0DB1D11459 for ; Mon, 6 Jun 2022 17:47:47 -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 ams.source.kernel.org (Postfix) with ESMTPS id 78BE3B80EC4 for ; Tue, 7 Jun 2022 00:47:46 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 3026EC385A9; Tue, 7 Jun 2022 00:47:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1654562865; bh=ClVwG9ZQ1e0t53+HuzCidJjpGe6X6OxZLd9OQNIvXwI=; h=Date:To:From:Subject:From; b=shwnNGs//hCT1nHONreF8GKvMUICXuhV74tUJXOlAgr011Fa3BfjRWhcqlv8YmGOV FO7S4BhqDzgm2BJeF2NiV0OT0+zYhyb00AeKN8Ip1BCD1oLbv6EkE+KuoqFEEuAWzh bHwCJ29Le1AWTysP9sRGcDL7FRFMAaTXow1v61sM= Date: Mon, 06 Jun 2022 17:47:44 -0700 To: mm-commits@vger.kernel.org, songmuchun@bytedance.com, roman.gushchin@linux.dev, kent.overstreet@gmail.com, hdanton@sina.com, dchinner@redhat.com, christophe.jaillet@wanadoo.fr, akpm@linux-foundation.org, akpm@linux-foundation.org From: Andrew Morton Subject: + mm-shrinkers-introduce-debugfs-interface-for-memory-shrinkers-fix.patch added to mm-nonmm-unstable branch Message-Id: <20220607004745.3026EC385A9@smtp.kernel.org> Precedence: bulk Reply-To: linux-kernel@vger.kernel.org List-ID: X-Mailing-List: mm-commits@vger.kernel.org The patch titled Subject: mm-shrinkers-introduce-debugfs-interface-for-memory-shrinkers-fix has been added to the -mm mm-nonmm-unstable branch. Its filename is mm-shrinkers-introduce-debugfs-interface-for-memory-shrinkers-fix.patch This patch will shortly appear at https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-shrinkers-introduce-debugfs-interface-for-memory-shrinkers-fix.patch This patch will later appear in the mm-nonmm-unstable branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/process/submit-checklist.rst when testing your code *** The -mm tree is included into linux-next via the mm-everything branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm and is updated there every 2-3 working days ------------------------------------------------------ From: Andrew Morton Subject: mm-shrinkers-introduce-debugfs-interface-for-memory-shrinkers-fix Date: Mon Jun 6 05:46:42 PM PDT 2022 remove WARN_ON_ONCE(), per Roman Reported-by: syzbot+300d27c79fe6d4cbcc39@syzkaller.appspotmail.com Cc: Christophe JAILLET Cc: Dave Chinner Cc: Hillf Danton Cc: Kent Overstreet Cc: Muchun Song Cc: Roman Gushchin Signed-off-by: Andrew Morton --- mm/vmscan.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/mm/vmscan.c~mm-shrinkers-introduce-debugfs-interface-for-memory-shrinkers-fix +++ a/mm/vmscan.c @@ -650,7 +650,7 @@ void register_shrinker_prepared(struct s down_write(&shrinker_rwsem); list_add_tail(&shrinker->list, &shrinker_list); shrinker->flags |= SHRINKER_REGISTERED; - WARN_ON_ONCE(shrinker_debugfs_add(shrinker)); + shrinker_debugfs_add(shrinker); up_write(&shrinker_rwsem); } _ Patches currently in -mm which might be from akpm@linux-foundation.org are mm-page_alloc-remotely-drain-per-cpu-lists-checkpatch-fixes.patch mm-start-tracking-vmas-with-maple-tree-fix.patch damon-convert-__damon_va_three_regions-to-use-the-vma-iterator-fix.patch mm-mmap-use-advanced-maple-tree-api-for-mmap_region-fix-checkpatch-fixes.patch mm-remove-the-vma-linked-list-fix-fix.patch mm-remove-the-vma-linked-list-fix-fix-fix.patch mm-handling-non-lru-pages-returned-by-vm_normal_pages-fix.patch mm-introduce-clear_highpage_tagged-fix.patch kasan-fix-zeroing-vmalloc-memory-with-hw_tags-fix.patch mm-shrinkers-add-scan-interface-for-shrinker-debugfs-fix-fix.patch mm-drop-oom-code-from-exit_mmap-fix-fix.patch mm-add-merging-after-mremap-resize-checkpatch-fixes.patch mm-factor-helpers-for-memory_failure_dev_pagemap-fix.patch xfs-support-cow-in-fsdax-mode-fix.patch mm-shrinkers-introduce-debugfs-interface-for-memory-shrinkers-fix.patch