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 Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4CEFFC433EF for ; Wed, 22 Dec 2021 11:14:58 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id CEC216B0072; Wed, 22 Dec 2021 06:14:57 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id C75086B0073; Wed, 22 Dec 2021 06:14:57 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id B15376B0074; Wed, 22 Dec 2021 06:14:57 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0011.hostedemail.com [216.40.44.11]) by kanga.kvack.org (Postfix) with ESMTP id 9D2CA6B0072 for ; Wed, 22 Dec 2021 06:14:57 -0500 (EST) Received: from smtpin13.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay05.hostedemail.com (Postfix) with ESMTP id 64641181AC9C6 for ; Wed, 22 Dec 2021 11:14:57 +0000 (UTC) X-FDA: 78945173034.13.FE228CD Received: from out30-131.freemail.mail.aliyun.com (out30-131.freemail.mail.aliyun.com [115.124.30.131]) by imf01.hostedemail.com (Postfix) with ESMTP id C27B54003F for ; Wed, 22 Dec 2021 11:14:47 +0000 (UTC) X-Alimail-AntiSpam:AC=PASS;BC=-1|-1;BR=01201311R841e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=e01e04395;MF=baolin.wang@linux.alibaba.com;NM=1;PH=DS;RN=11;SR=0;TI=SMTPD_---0V.QCTVO_1640171690; Received: from localhost(mailfrom:baolin.wang@linux.alibaba.com fp:SMTPD_---0V.QCTVO_1640171690) by smtp.aliyun-inc.com(127.0.0.1); Wed, 22 Dec 2021 19:14:51 +0800 From: Baolin Wang To: sj@kernel.org, akpm@linux-foundation.org Cc: ying.huang@intel.com, dave.hansen@linux.intel.com, ziy@nvidia.com, shy828301@gmail.com, zhongjiang-ali@linux.alibaba.com, xlpang@linux.alibaba.com, baolin.wang@linux.alibaba.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 1/2] mm: Export the demote_page_list() function Date: Wed, 22 Dec 2021 19:14:40 +0800 Message-Id: X-Mailer: git-send-email 1.8.3.1 In-Reply-To: References: In-Reply-To: References: X-Rspamd-Queue-Id: C27B54003F X-Stat-Signature: 5cqhxdwyedp95b3ohdf8m8syq4i7cd6t Authentication-Results: imf01.hostedemail.com; dkim=none; spf=pass (imf01.hostedemail.com: domain of baolin.wang@linux.alibaba.com designates 115.124.30.131 as permitted sender) smtp.mailfrom=baolin.wang@linux.alibaba.com; dmarc=pass (policy=none) header.from=alibaba.com X-Rspamd-Server: rspam10 X-HE-Tag: 1640171687-121669 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: Export the demote_page_list() function to the head file as a preparation to support page demotion for DAMON monitor. Signed-off-by: Baolin Wang --- mm/internal.h | 2 ++ mm/vmscan.c | 4 ++-- 2 files changed, 4 insertions(+), 2 deletions(-) diff --git a/mm/internal.h b/mm/internal.h index deb9bda..f11e444 100644 --- a/mm/internal.h +++ b/mm/internal.h @@ -181,6 +181,8 @@ static inline void set_page_refcounted(struct page *page) extern int isolate_lru_page(struct page *page); extern void putback_lru_page(struct page *page); extern void reclaim_throttle(pg_data_t *pgdat, enum vmscan_throttle_state reason); +extern unsigned int demote_page_list(struct list_head *demote_pages, + struct pglist_data *pgdat); /* * in mm/rmap.c: diff --git a/mm/vmscan.c b/mm/vmscan.c index f3162a5..849dffa 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -1480,8 +1480,8 @@ static struct page *alloc_demote_page(struct page *page, unsigned long node) * another node. Pages which are not demoted are left on * @demote_pages. */ -static unsigned int demote_page_list(struct list_head *demote_pages, - struct pglist_data *pgdat) +unsigned int demote_page_list(struct list_head *demote_pages, + struct pglist_data *pgdat) { int target_nid = next_demotion_node(pgdat->node_id); unsigned int nr_succeeded; -- 1.8.3.1