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 X-Spam-Level: X-Spam-Status: No, score=-7.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 31C5DC43381 for ; Wed, 20 Mar 2019 07:35:56 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 0D43A2184D for ; Wed, 20 Mar 2019 07:35:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727480AbfCTHfy (ORCPT ); Wed, 20 Mar 2019 03:35:54 -0400 Received: from mx1.redhat.com ([209.132.183.28]:33136 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726303AbfCTHfy (ORCPT ); Wed, 20 Mar 2019 03:35:54 -0400 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 4948F58E45; Wed, 20 Mar 2019 07:35:54 +0000 (UTC) Received: from MiWiFi-R3L-srv.redhat.com (ovpn-12-38.pek2.redhat.com [10.72.12.38]) by smtp.corp.redhat.com (Postfix) with ESMTP id AD6D96B499; Wed, 20 Mar 2019 07:35:47 +0000 (UTC) From: Baoquan He To: linux-kernel@vger.kernel.org Cc: akpm@linux-foundation.org, pasha.tatashin@oracle.com, mhocko@suse.com, rppt@linux.vnet.ibm.com, richard.weiyang@gmail.com, linux-mm@kvack.org, Baoquan He Subject: [PATCH 1/3] mm/sparse: Clean up the obsolete code comment Date: Wed, 20 Mar 2019 15:35:38 +0800 Message-Id: <20190320073540.12866-1-bhe@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.39]); Wed, 20 Mar 2019 07:35:54 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The code comment above sparse_add_one_section() is obsolete and incorrect, clean it up and write new one. Signed-off-by: Baoquan He --- mm/sparse.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/mm/sparse.c b/mm/sparse.c index 77a0554fa5bd..0a0f82c5d969 100644 --- a/mm/sparse.c +++ b/mm/sparse.c @@ -674,9 +674,12 @@ static void free_map_bootmem(struct page *memmap) #endif /* CONFIG_SPARSEMEM_VMEMMAP */ /* - * returns the number of sections whose mem_maps were properly - * set. If this is <=0, then that means that the passed-in - * map was not consumed and must be freed. + * sparse_add_one_section - add a memory section + * @nid: The node to add section on + * @start_pfn: start pfn of the memory range + * @altmap: device page map + * + * Return 0 on success and an appropriate error code otherwise. */ int __meminit sparse_add_one_section(int nid, unsigned long start_pfn, struct vmem_altmap *altmap) -- 2.17.2