From patchwork Wed Jul 6 08:59:15 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Baolin Wang X-Patchwork-Id: 12907611 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 kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5534ECCA473 for ; Wed, 6 Jul 2022 08:59:33 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 1B7D18E0001; Wed, 6 Jul 2022 04:59:32 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 167816B0074; Wed, 6 Jul 2022 04:59:32 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 02D3C8E0001; Wed, 6 Jul 2022 04:59:31 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0012.hostedemail.com [216.40.44.12]) by kanga.kvack.org (Postfix) with ESMTP id E93BA6B0073 for ; Wed, 6 Jul 2022 04:59:31 -0400 (EDT) Received: from smtpin22.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay11.hostedemail.com (Postfix) with ESMTP id AC53D8032E for ; Wed, 6 Jul 2022 08:59:31 +0000 (UTC) X-FDA: 79656076542.22.A7F4A23 Received: from out30-54.freemail.mail.aliyun.com (out30-54.freemail.mail.aliyun.com [115.124.30.54]) by imf01.hostedemail.com (Postfix) with ESMTP id A9E9F4000D for ; Wed, 6 Jul 2022 08:59:30 +0000 (UTC) X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R721e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=ay29a033018046051;MF=baolin.wang@linux.alibaba.com;NM=1;PH=DS;RN=33;SR=0;TI=SMTPD_---0VIXnCQL_1657097963; Received: from localhost(mailfrom:baolin.wang@linux.alibaba.com fp:SMTPD_---0VIXnCQL_1657097963) by smtp.aliyun-inc.com; Wed, 06 Jul 2022 16:59:24 +0800 From: Baolin Wang To: akpm@linux-foundation.org Cc: rppt@linux.ibm.com, willy@infradead.org, will@kernel.org, aneesh.kumar@linux.ibm.com, npiggin@gmail.com, peterz@infradead.org, catalin.marinas@arm.com, chenhuacai@kernel.org, kernel@xen0n.name, tsbogend@alpha.franken.de, dave.hansen@linux.intel.com, luto@kernel.org, tglx@linutronix.de, mingo@redhat.com, bp@alien8.de, hpa@zytor.com, arnd@arndb.de, guoren@kernel.org, monstr@monstr.eu, jonas@southpole.se, stefan.kristiansson@saunalahti.fi, shorne@gmail.com, baolin.wang@linux.alibaba.com, x86@kernel.org, linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org, loongarch@lists.linux.dev, linux-mips@vger.kernel.org, linux-csky@vger.kernel.org, openrisc@lists.librecores.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: [PATCH 1/3] mm: Factor out the pagetable pages account into new helper function Date: Wed, 6 Jul 2022 16:59:15 +0800 Message-Id: X-Mailer: git-send-email 1.8.3.1 In-Reply-To: References: In-Reply-To: References: ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1657097971; a=rsa-sha256; cv=none; b=UF5vVfH1QidDtpy1BdJF9Nc8aDqMCBR7MpUUq8WccIMcnk3X4W9SQ8+zsJH0BPfcTwCrPi 5OJThJaoy1F6bvCDkrmWMI0Qdikt6VRWqtKZGxZ1txelfl/bzIpux1Spr9X8JNqmCiScHB cHNbuXnJSyQITcj0m6ELDRcqNKnU0cE= ARC-Authentication-Results: i=1; imf01.hostedemail.com; dkim=none; spf=pass (imf01.hostedemail.com: domain of baolin.wang@linux.alibaba.com designates 115.124.30.54 as permitted sender) smtp.mailfrom=baolin.wang@linux.alibaba.com; dmarc=pass (policy=none) header.from=alibaba.com ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1657097971; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:content-type: content-transfer-encoding:in-reply-to:in-reply-to:in-reply-to: references:references:references; bh=ZmiUTmLc/9slSyYIwDxU7koFVooiXbLhYPhlCaL32mA=; b=p2j4yfENu3H7hzfHB29SzmKxJFoufvhIS7ymXYLmifi9aLyIW4Y/6Wte6OxAcGS95b7O2p qJYIuz3QelX9Mh3YZyIubWHO9F3pQ3DRNbT/NqqkRTXtm0Bo2g4cGbrqytHkOcpw4N6w2U Jsw20X8fdbFSA0k/F03RYB0IoQ76vgo= X-Rspamd-Server: rspam09 X-Rspamd-Queue-Id: A9E9F4000D X-Rspam-User: Authentication-Results: imf01.hostedemail.com; dkim=none; spf=pass (imf01.hostedemail.com: domain of baolin.wang@linux.alibaba.com designates 115.124.30.54 as permitted sender) smtp.mailfrom=baolin.wang@linux.alibaba.com; dmarc=pass (policy=none) header.from=alibaba.com X-Stat-Signature: 99psgmmipbtf1yks1twa95cmuy1x1wjt X-HE-Tag: 1657097970-830086 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: Factor out the pagetable pages account and pagetable setting into new helper functions to avoid duplicated code. Meanwhile these helper functions also will be used to account pagetable pages which do not need split pagetable lock. Signed-off-by: Baolin Wang --- include/linux/mm.h | 24 ++++++++++++++++-------- 1 file changed, 16 insertions(+), 8 deletions(-) diff --git a/include/linux/mm.h b/include/linux/mm.h index d084ce5..7894bc5 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -2352,20 +2352,30 @@ static inline void pgtable_init(void) pgtable_cache_init(); } +static inline void page_set_pgtable(struct page *page) +{ + __SetPageTable(page); + inc_lruvec_page_state(page, NR_PAGETABLE); +} + +static inline void page_clear_pgtable(struct page *page) +{ + __ClearPageTable(page); + dec_lruvec_page_state(page, NR_PAGETABLE); +} + static inline bool pgtable_pte_page_ctor(struct page *page) { if (!ptlock_init(page)) return false; - __SetPageTable(page); - inc_lruvec_page_state(page, NR_PAGETABLE); + page_set_pgtable(page); return true; } static inline void pgtable_pte_page_dtor(struct page *page) { ptlock_free(page); - __ClearPageTable(page); - dec_lruvec_page_state(page, NR_PAGETABLE); + page_clear_pgtable(page); } #define pte_offset_map_lock(mm, pmd, address, ptlp) \ @@ -2451,16 +2461,14 @@ static inline bool pgtable_pmd_page_ctor(struct page *page) { if (!pmd_ptlock_init(page)) return false; - __SetPageTable(page); - inc_lruvec_page_state(page, NR_PAGETABLE); + page_set_pgtable(page); return true; } static inline void pgtable_pmd_page_dtor(struct page *page) { pmd_ptlock_free(page); - __ClearPageTable(page); - dec_lruvec_page_state(page, NR_PAGETABLE); + page_clear_pgtable(page); } /*