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 171F0C04A6A for ; Thu, 10 Aug 2023 17:13:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234097AbjHJRNE (ORCPT ); Thu, 10 Aug 2023 13:13:04 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49404 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233810AbjHJRNE (ORCPT ); Thu, 10 Aug 2023 13:13:04 -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 7D86526AE for ; Thu, 10 Aug 2023 10:13:03 -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 1276A66473 for ; Thu, 10 Aug 2023 17:13:03 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5D8B3C433C7; Thu, 10 Aug 2023 17:13:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1691687582; bh=Q8SuG59zy6kJyqDHMOeZCd+ABtbKQN56UJkuNk5cKfY=; h=Date:To:From:Subject:From; b=J7Od2Tbj9Y40Z0J9mj+MrbxKcYe2mJ7aC2EfsCc/avaJUCM9zsLEXX0dcZ+0qwqmb BCPml1ETSskkHWtKS9JqN8O+FY/SDIYTq7x16MZ4Xo7o7R+hZX57OIpD2Z9lSFL5Qu i/1mcY524ZTWsHb5jHBTWFQQF2n8XWe1iBdTtEQ8= Date: Thu, 10 Aug 2023 10:13:01 -0700 To: mm-commits@vger.kernel.org, osalvador@suse.de, mhocko@suse.com, david@redhat.com, aneesh.kumar@linux.ibm.com, yangyingliang@huawei.com, akpm@linux-foundation.org From: Andrew Morton Subject: + mm-memory_hotplug-embed-vmem_altmap-details-in-memory-block-fix.patch added to mm-unstable branch Message-Id: <20230810171302.5D8B3C433C7@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/memory_hotplug: fix error return code in add_memory_resource() has been added to the -mm mm-unstable branch. Its filename is mm-memory_hotplug-embed-vmem_altmap-details-in-memory-block-fix.patch This patch will shortly appear at https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-memory_hotplug-embed-vmem_altmap-details-in-memory-block-fix.patch This patch will later appear in the mm-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: Yang Yingliang Subject: mm/memory_hotplug: fix error return code in add_memory_resource() Date: Wed, 9 Aug 2023 16:15:52 +0800 Set error return code to -ENOMEM, when kmalloc() fails. Link: https://lkml.kernel.org/r/20230809081552.1351184-1-yangyingliang@huawei.com Fixes: ad3232df3e41 ("mm/memory_hotplug: embed vmem_altmap details in memory block") Signed-off-by: Yang Yingliang Reviewed-by: Aneesh Kumar K.V Cc: David Hildenbrand Cc: Michal Hocko Cc: Oscar Salvador Signed-off-by: Andrew Morton --- mm/memory_hotplug.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) --- a/mm/memory_hotplug.c~mm-memory_hotplug-embed-vmem_altmap-details-in-memory-block-fix +++ a/mm/memory_hotplug.c @@ -1440,8 +1440,10 @@ int __ref add_memory_resource(int nid, s if (mhp_supports_memmap_on_memory(size)) { mhp_altmap.free = memory_block_memmap_on_memory_pages(); params.altmap = kmalloc(sizeof(struct vmem_altmap), GFP_KERNEL); - if (!params.altmap) + if (!params.altmap) { + ret = -ENOMEM; goto error; + } memcpy(params.altmap, &mhp_altmap, sizeof(mhp_altmap)); } _ Patches currently in -mm which might be from yangyingliang@huawei.com are mm-memory_hotplug-embed-vmem_altmap-details-in-memory-block-fix.patch