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 47AB3C4708C for ; Mon, 5 Dec 2022 21:13:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230352AbiLEVN4 (ORCPT ); Mon, 5 Dec 2022 16:13:56 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49168 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232391AbiLEVNn (ORCPT ); Mon, 5 Dec 2022 16:13:43 -0500 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8E1412B1A8; Mon, 5 Dec 2022 13:13:42 -0800 (PST) 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 06F44B81232; Mon, 5 Dec 2022 21:13:41 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9CD5FC433B5; Mon, 5 Dec 2022 21:13:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1670274819; bh=Vruv68hVo08YBHFSEtZFGa4/PD/ok/tOZA0vwZIOEXc=; h=Date:To:From:Subject:From; b=IpLUtOJmA0Pfe/VFBogI8VJXpNBw6B0X1sEW0qm1njx8Jd6WCqc+CUXHk64zddbeN eCiChHgs+5SGaD6GcaRRyBkrIPkwHhYEJcTJNb4H684X+Qo1gXL0yIg333klan+6L0 89g1FHlU9K5tTNWGtHPEO5rwuYsHmdblPrunui2I= Date: Mon, 05 Dec 2022 13:13:38 -0800 To: mm-commits@vger.kernel.org, stable@vger.kernel.org, mgorman@techsingularity.net, tcm1030@163.com, akpm@linux-foundation.org From: Andrew Morton Subject: [nacked] mm-mempolicy-failed-to-disable-numa-balancing.patch removed from -mm tree Message-Id: <20221205211339.9CD5FC433B5@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/mempolicy: failed to disable numa balancing has been removed from the -mm tree. Its filename was mm-mempolicy-failed-to-disable-numa-balancing.patch This patch was dropped because it was nacked ------------------------------------------------------ From: tzm Subject: mm/mempolicy: failed to disable numa balancing Date: Fri, 2 Dec 2022 22:16:30 +0800 The kernel fails to disable numa balancing policy permanently when the user passes to the boot cmdline parameters. The numabalancing_override variable is 1 for enable -1 for disable. So, !numabalancing_override will always be true, which causes this bug. Link: https://lkml.kernel.org/r/20221202141630.41220-1-tcm1030@163.com Signed-off-by: tzm Cc: Mel Gorman Cc: Signed-off-by: Andrew Morton --- mm/mempolicy.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/mm/mempolicy.c~mm-mempolicy-failed-to-disable-numa-balancing +++ a/mm/mempolicy.c @@ -2865,7 +2865,7 @@ static void __init check_numabalancing_e if (numabalancing_override) set_numabalancing_state(numabalancing_override == 1); - if (num_online_nodes() > 1 && !numabalancing_override) { + if (num_online_nodes() > 1 && (numabalancing_override == 1)) { pr_info("%s automatic NUMA balancing. Configure with numa_balancing= or the kernel.numa_balancing sysctl\n", numabalancing_default ? "Enabling" : "Disabling"); set_numabalancing_state(numabalancing_default); _ Patches currently in -mm which might be from tcm1030@163.com are