From nobody Mon Apr 6 08:08:41 2026 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 B3C30ECAAD3 for ; Fri, 9 Sep 2022 09:27:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231339AbiIIJ1Z (ORCPT ); Fri, 9 Sep 2022 05:27:25 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35858 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230490AbiIIJ0z (ORCPT ); Fri, 9 Sep 2022 05:26:55 -0400 Received: from szxga02-in.huawei.com (szxga02-in.huawei.com [45.249.212.188]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 40A2ED9EA6 for ; Fri, 9 Sep 2022 02:25:28 -0700 (PDT) Received: from canpemm500002.china.huawei.com (unknown [172.30.72.57]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4MP9TM129gzZcm2; Fri, 9 Sep 2022 17:20:55 +0800 (CST) Received: from huawei.com (10.175.124.27) by canpemm500002.china.huawei.com (7.192.104.244) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.24; Fri, 9 Sep 2022 17:25:26 +0800 From: Miaohe Lin To: CC: , , , , Subject: [PATCH 02/16] mm/page_alloc: make zone_pcp_update() static Date: Fri, 9 Sep 2022 17:24:37 +0800 Message-ID: <20220909092451.24883-3-linmiaohe@huawei.com> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20220909092451.24883-1-linmiaohe@huawei.com> References: <20220909092451.24883-1-linmiaohe@huawei.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Originating-IP: [10.175.124.27] X-ClientProxiedBy: dggems702-chm.china.huawei.com (10.3.19.179) To canpemm500002.china.huawei.com (7.192.104.244) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Since commit b92ca18e8ca5 ("mm/page_alloc: disassociate the pcp->high from pcp->batch"), zone_pcp_update() is only used in mm/page_alloc.c. Move zone_pcp_update() up to avoid forward declaration and then make it static. No functional change intended. Signed-off-by: Miaohe Lin Reviewed-by: Anshuman Khandual Reviewed-by: David Hildenbrand Reviewed-by: Oscar Salvador --- mm/internal.h | 1 - mm/page_alloc.c | 22 +++++++++++----------- 2 files changed, 11 insertions(+), 12 deletions(-) diff --git a/mm/internal.h b/mm/internal.h index 4e5f3d0d5538..2424fcde6538 100644 --- a/mm/internal.h +++ b/mm/internal.h @@ -367,7 +367,6 @@ extern int user_min_free_kbytes; extern void free_unref_page(struct page *page, unsigned int order); extern void free_unref_page_list(struct list_head *list); =20 -extern void zone_pcp_update(struct zone *zone, int cpu_online); extern void zone_pcp_reset(struct zone *zone); extern void zone_pcp_disable(struct zone *zone); extern void zone_pcp_enable(struct zone *zone); diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 4b97a03fa2dd..2deac2fe3372 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -7238,6 +7238,17 @@ void __meminit setup_zone_pageset(struct zone *zone) zone_set_pageset_high_and_batch(zone, 0); } =20 +/* + * The zone indicated has a new number of managed_pages; batch sizes and p= ercpu + * page high values need to be recalculated. + */ +static void zone_pcp_update(struct zone *zone, int cpu_online) +{ + mutex_lock(&pcp_batch_high_lock); + zone_set_pageset_high_and_batch(zone, cpu_online); + mutex_unlock(&pcp_batch_high_lock); +} + /* * Allocate per cpu pagesets and initialize them. * Before this call only boot pagesets were available. @@ -9469,17 +9480,6 @@ void free_contig_range(unsigned long pfn, unsigned l= ong nr_pages) } EXPORT_SYMBOL(free_contig_range); =20 -/* - * The zone indicated has a new number of managed_pages; batch sizes and p= ercpu - * page high values need to be recalculated. - */ -void zone_pcp_update(struct zone *zone, int cpu_online) -{ - mutex_lock(&pcp_batch_high_lock); - zone_set_pageset_high_and_batch(zone, cpu_online); - mutex_unlock(&pcp_batch_high_lock); -} - /* * Effectively disable pcplists for the zone by setting the high limit to 0 * and draining all cpus. A concurrent page freeing on another CPU that's = about --=20 2.23.0