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 69F9AEE49B1 for ; Mon, 21 Aug 2023 20:42:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229835AbjHUUmH (ORCPT ); Mon, 21 Aug 2023 16:42:07 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51856 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231284AbjHUUlK (ORCPT ); Mon, 21 Aug 2023 16:41:10 -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 1D9D1E40 for ; Mon, 21 Aug 2023 13:40:47 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id F1E0461840 for ; Mon, 21 Aug 2023 20:40:46 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5261DC433C7; Mon, 21 Aug 2023 20:40:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1692650446; bh=xIxJU/+dttuINZ819WS2SjUkZ6CxHHN98dTuPw/JNsQ=; h=Date:To:From:Subject:From; b=OgsGvQgc9ly4iWdKRI5QXibCjiBMhjKxsQNwV82VyUMWaDvDTP8CY7/Ps1ZjVGtUY 0UeCrn5rIongKDCv6VzSr3kwE3Q0KrWKn+HDoTGLTTsDh5yplvtNsu9iwnwxq7Rlqx MXoiUUyCAWT1o+PC5vPvDJsE/YPt1Ojtn7B+p48Q= Date: Mon, 21 Aug 2023 13:40:45 -0700 To: mm-commits@vger.kernel.org, alexjlzheng@tencent.com, akpm@linux-foundation.org From: Andrew Morton Subject: [merged mm-stable] writeback-remove-redundant-checks-for-root-memcg.patch removed from -mm tree Message-Id: <20230821204046.5261DC433C7@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: writeback: remove redundant checks for root memcg has been removed from the -mm tree. Its filename was writeback-remove-redundant-checks-for-root-memcg.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: Jinliang Zheng Subject: writeback: remove redundant checks for root memcg Date: Tue, 8 Aug 2023 16:44:32 +0800 The check for root memcg will be done in wb_get_lookup(), so remove the redundant one to simplify the code. Link: https://lkml.kernel.org/r/20230808084431.1632934-1-alexjlzheng@tencent.com Signed-off-by: Jinliang Zheng Signed-off-by: Andrew Morton --- mm/backing-dev.c | 3 --- 1 file changed, 3 deletions(-) --- a/mm/backing-dev.c~writeback-remove-redundant-checks-for-root-memcg +++ a/mm/backing-dev.c @@ -732,9 +732,6 @@ struct bdi_writeback *wb_get_create(stru might_alloc(gfp); - if (!memcg_css->parent) - return &bdi->wb; - do { wb = wb_get_lookup(bdi, memcg_css); } while (!wb && !cgwb_create(bdi, memcg_css, gfp)); _ Patches currently in -mm which might be from alexjlzheng@tencent.com are