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=-15.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=unavailable 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 DF295C2BBD4 for ; Tue, 15 Dec 2020 03:13:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B4BF22247F for ; Tue, 15 Dec 2020 03:13:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727665AbgLODNK (ORCPT ); Mon, 14 Dec 2020 22:13:10 -0500 Received: from mail.kernel.org ([198.145.29.99]:36620 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728079AbgLODNG (ORCPT ); Mon, 14 Dec 2020 22:13:06 -0500 Date: Mon, 14 Dec 2020 19:12:01 -0800 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1608001922; bh=/zma8upw1GtgfWonvUI1cGG/FV1sYMp6mLRNoG3lQTQ=; h=From:To:Subject:In-Reply-To:From; b=TbCmk5sVBp4/NhX7Ulqpglxno0eNOru6Zii4RmBNZi8DMQ9jC7gONxpkaE8JwCnr0 lTvX9mITIMH6A4DnAXg5qsdDdN8HpO6P7zKxifJbH/dmuGqyFw07OIo2TEbu6wrdF+ eow8J2Opc+L8aXBuOlosA+ilOQlOOLNnU7x2RxGk= From: Andrew Morton To: akpm@linux-foundation.org, alex.shi@linux.alibaba.com, corbet@lwn.net, linux-mm@kvack.org, mm-commits@vger.kernel.org, rdunlap@infradead.org, torvalds@linux-foundation.org Subject: [patch 148/200] khugepaged: add parameter explanations for kernel-doc markup Message-ID: <20201215031201.ZDdS7g_uW%akpm@linux-foundation.org> In-Reply-To: <20201214190237.a17b70ae14f129e2dca3d204@linux-foundation.org> User-Agent: s-nail v14.8.16 Precedence: bulk Reply-To: linux-kernel@vger.kernel.org List-ID: X-Mailing-List: mm-commits@vger.kernel.org From: Alex Shi Subject: khugepaged: add parameter explanations for kernel-doc markup Add missed parameter explanation for some kernel-doc warnings: mm/khugepaged.c:102: warning: Function parameter or member 'nr_pte_mapped_thp' not described in 'mm_slot' mm/khugepaged.c:102: warning: Function parameter or member 'pte_mapped_thp' not described in 'mm_slot' mm/khugepaged.c:1424: warning: Function parameter or member 'mm' not described in 'collapse_pte_mapped_thp' mm/khugepaged.c:1424: warning: Function parameter or member 'addr' not described in 'collapse_pte_mapped_thp' mm/khugepaged.c:1626: warning: Function parameter or member 'mm' not described in 'collapse_file' mm/khugepaged.c:1626: warning: Function parameter or member 'file' not described in 'collapse_file' mm/khugepaged.c:1626: warning: Function parameter or member 'start' not described in 'collapse_file' mm/khugepaged.c:1626: warning: Function parameter or member 'hpage' not described in 'collapse_file' mm/khugepaged.c:1626: warning: Function parameter or member 'node' not described in 'collapse_file' Link: https://lkml.kernel.org/r/1605597325-25284-1-git-send-email-alex.shi@linux.alibaba.com Signed-off-by: Alex Shi Cc: Randy Dunlap Cc: Jonathan Corbet Signed-off-by: Andrew Morton --- mm/khugepaged.c | 14 +++++++++++++- 1 file changed, 13 insertions(+), 1 deletion(-) --- a/mm/khugepaged.c~khugepaged-add-couples-parameter-explanation-for-kernel-doc-markup +++ a/mm/khugepaged.c @@ -90,6 +90,8 @@ static struct kmem_cache *mm_slot_cache * @hash: hash collision list * @mm_node: khugepaged scan list headed in khugepaged_scan.mm_head * @mm: the mm that this information is valid for + * @nr_pte_mapped_thp: number of pte mapped THP + * @pte_mapped_thp: address array corresponding pte mapped THP */ struct mm_slot { struct hlist_node hash; @@ -1414,7 +1416,11 @@ static int khugepaged_add_pte_mapped_thp } /** - * Try to collapse a pte-mapped THP for mm at address haddr. + * collapse_pte_mapped_thp - Try to collapse a pte-mapped THP for mm at + * address haddr. + * + * @mm: process address space where collapse happens + * @addr: THP collapse address * * This function checks whether all the PTEs in the PMD are pointing to the * right THP. If so, retract the page table so the THP can refault in with @@ -1605,6 +1611,12 @@ static void retract_page_tables(struct a /** * collapse_file - collapse filemap/tmpfs/shmem pages into huge one. * + * @mm: process address space where collapse happens + * @file: file that collapse on + * @start: collapse start address + * @hpage: new allocated huge page for collapse + * @node: appointed node the new huge page allocate from + * * Basic scheme is simple, details are more complex: * - allocate and lock a new huge page; * - scan page cache replacing old pages with the new one _