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=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=no 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 00041C433DF for ; Fri, 7 Aug 2020 06:20:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C269F22CAF for ; Fri, 7 Aug 2020 06:20:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1596781203; bh=UyXjNW6AyOGJvcaoAVH9fd3CR2zERdJZqy7geiMs9as=; h=Date:From:To:Subject:In-Reply-To:Reply-To:List-ID:From; b=hnm9+k9SS7pzTTQ15MpdnF4ocFF9+T5c7KzDBIEKdWhKYIu55LzTXfN/hFn9u1cut w6EMxIFhyhWGncKHN1F+e9zT0mQ0HcY/Oy+mf/KLDZ2pBNfEDnayvVt2sVAeflvOrK W9jdhLMcpEsNfbPF5OTW/vXqw1pdRMzMEuwHWGVg= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726217AbgHGGUD (ORCPT ); Fri, 7 Aug 2020 02:20:03 -0400 Received: from mail.kernel.org ([198.145.29.99]:55854 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725379AbgHGGUD (ORCPT ); Fri, 7 Aug 2020 02:20:03 -0400 Received: from localhost.localdomain (c-73-231-172-41.hsd1.ca.comcast.net [73.231.172.41]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 763E322CB3; Fri, 7 Aug 2020 06:20:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1596781202; bh=UyXjNW6AyOGJvcaoAVH9fd3CR2zERdJZqy7geiMs9as=; h=Date:From:To:Subject:In-Reply-To:From; b=FRaI3u1pllaSXMO1cZthcjvH2XtwUaLbLwyq2ByScW0tguWP2TSiEhZzWBKRIh5tW zhmjQcJTl1hhaDTlRjaxZW2DDuGbziy5hV6uc03iugiOixKMVyZoLjWC3Qs/wi+lrI btTRmF7JzUItbP1UgvPAk6b6EFFEwoutKmPOMsEE= Date: Thu, 06 Aug 2020 23:20:01 -0700 From: Andrew Morton To: akpm@linux-foundation.org, ira.weiny@intel.com, linux-mm@kvack.org, mm-commits@vger.kernel.org, tangyizhou@huawei.com, torvalds@linux-foundation.org Subject: [patch 053/163] mm/gup.c: fix the comment of return value for populate_vma_page_range() Message-ID: <20200807062001.1NvKva6WQ%akpm@linux-foundation.org> In-Reply-To: <20200806231643.a2711a608dd0f18bff2caf2b@linux-foundation.org> User-Agent: s-nail v14.8.16 Sender: mm-commits-owner@vger.kernel.org Precedence: bulk Reply-To: linux-kernel@vger.kernel.org List-ID: X-Mailing-List: mm-commits@vger.kernel.org From: Tang Yizhou Subject: mm/gup.c: fix the comment of return value for populate_vma_page_range() The return value of populate_vma_page_range() is consistent with __get_user_pages(), and so is the function comment of return value. Link: http://lkml.kernel.org/r/20200720034303.29920-1-tangyizhou@huawei.com Signed-off-by: Tang Yizhou Reviewed-by: Andrew Morton Reviewed-by: Ira Weiny Signed-off-by: Andrew Morton --- mm/gup.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) --- a/mm/gup.c~mm-gupc-fix-the-comment-of-return-value-for-populate_vma_page_range +++ a/mm/gup.c @@ -1404,7 +1404,8 @@ retry: * * This takes care of mlocking the pages too if VM_LOCKED is set. * - * return 0 on success, negative error code on error. + * Return either number of pages pinned in the vma, or a negative error + * code on error. * * vma->vm_mm->mmap_lock must be held. * _