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 8900FC433EF for ; Tue, 1 Feb 2022 21:33:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230446AbiBAVdY (ORCPT ); Tue, 1 Feb 2022 16:33:24 -0500 Received: from ams.source.kernel.org ([145.40.68.75]:40436 "EHLO ams.source.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229785AbiBAVdY (ORCPT ); Tue, 1 Feb 2022 16:33:24 -0500 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 90F6FB82F8C for ; Tue, 1 Feb 2022 21:33:23 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id DE5C2C340EB; Tue, 1 Feb 2022 21:33:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1643751202; bh=Vvp9odLsYTobh1ncLjmUXzBTf2jcmHt7eQEb9ZAVmiQ=; h=Date:To:From:Subject:From; b=rPzFBXuYtVNtmFU9mKyiaJYdbNprsC/livzBOCPqAbzwuWXz2r2aJecdqCQKp9gSt EwyWS63SFCTWoeTOwjnnmppAZeb0U4Vkwj0T3wa48XagUWqxyPfQjJznls+YHBn+C1 NvFERbfP6DX5BIsBMLLHIIHA66Njb5E+Je814+q4= Received: by hp1 (sSMTP sendmail emulation); Tue, 01 Feb 2022 13:33:20 -0800 Date: Tue, 01 Feb 2022 13:33:20 -0800 To: mm-commits@vger.kernel.org, vdavydov.dev@gmail.com, vbabka@suse.cz, surenb@google.com, songmuchun@bytedance.com, shy828301@gmail.com, shakeelb@google.com, rppt@linux.ibm.com, mhocko@suse.com, hannes@cmpxchg.org, guro@fb.com, richard.weiyang@gmail.com, akpm@linux-foundation.org From: Andrew Morton Subject: + mm-memcg-mem_cgroup_per_node-is-already-set-to-0-on-allocation.patch added to -mm tree Message-Id: <20220201213320.DE5C2C340EB@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/memcg: mem_cgroup_per_node is already set to 0 on allocation has been added to the -mm tree. Its filename is mm-memcg-mem_cgroup_per_node-is-already-set-to-0-on-allocation.patch This patch should soon appear at https://ozlabs.org/~akpm/mmots/broken-out/mm-memcg-mem_cgroup_per_node-is-already-set-to-0-on-allocation.patch and later at https://ozlabs.org/~akpm/mmotm/broken-out/mm-memcg-mem_cgroup_per_node-is-already-set-to-0-on-allocation.patch 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 and is updated there every 3-4 working days ------------------------------------------------------ From: Wei Yang Subject: mm/memcg: mem_cgroup_per_node is already set to 0 on allocation kzalloc_node() would set data to 0, so it's not necessary to set it again. Link: https://lkml.kernel.org/r/20220201004643.8391-1-richard.weiyang@gmail.com Signed-off-by: Wei Yang Reviewed-by: Muchun Song Acked-by: Michal Hocko Reviewed-by: Roman Gushchin Reviewed-by: Mike Rapoport Reviewed-by: Shakeel Butt Cc: Johannes Weiner Cc: Suren Baghdasaryan Cc: Vladimir Davydov Cc: Vlastimil Babka Cc: Yang Shi Signed-off-by: Andrew Morton --- mm/memcontrol.c | 2 -- 1 file changed, 2 deletions(-) --- a/mm/memcontrol.c~mm-memcg-mem_cgroup_per_node-is-already-set-to-0-on-allocation +++ a/mm/memcontrol.c @@ -5102,8 +5102,6 @@ static int alloc_mem_cgroup_per_node_inf } lruvec_init(&pn->lruvec); - pn->usage_in_excess = 0; - pn->on_tree = false; pn->memcg = memcg; memcg->nodeinfo[node] = pn; _ Patches currently in -mm which might be from richard.weiyang@gmail.com are mm-memcg-mem_cgroup_per_node-is-already-set-to-0-on-allocation.patch mm-memcg-retrieve-parent-memcg-from-cssparent.patch mm-page_alloc-add-same-penalty-is-enough-to-get-round-robin-order.patch mm-page_alloc-add-penalty-to-local_node.patch memcg-do-not-tweak-node-in-alloc_mem_cgroup_per_node_info.patch