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 61D41C433F5 for ; Tue, 21 Dec 2021 09:18:34 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id E46EB6B007B; Tue, 21 Dec 2021 04:18:33 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id DF6EF6B007D; Tue, 21 Dec 2021 04:18:33 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id C70D06B007E; Tue, 21 Dec 2021 04:18:33 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0201.hostedemail.com [216.40.44.201]) by kanga.kvack.org (Postfix) with ESMTP id B44696B007B for ; Tue, 21 Dec 2021 04:18:33 -0500 (EST) Received: from smtpin27.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay03.hostedemail.com (Postfix) with ESMTP id 7DCB28249980 for ; Tue, 21 Dec 2021 09:18:33 +0000 (UTC) X-FDA: 78941250906.27.E1975D7 Received: from out30-132.freemail.mail.aliyun.com (out30-132.freemail.mail.aliyun.com [115.124.30.132]) by imf28.hostedemail.com (Postfix) with ESMTP id 38EF5C0044 for ; Tue, 21 Dec 2021 09:18:31 +0000 (UTC) X-Alimail-AntiSpam:AC=PASS;BC=-1|-1;BR=01201311R651e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=e01e04426;MF=baolin.wang@linux.alibaba.com;NM=1;PH=DS;RN=11;SR=0;TI=SMTPD_---0V.K7h71_1640078308; Received: from localhost(mailfrom:baolin.wang@linux.alibaba.com fp:SMTPD_---0V.K7h71_1640078308) by smtp.aliyun-inc.com(127.0.0.1); Tue, 21 Dec 2021 17:18:28 +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 1/2] mm: Export the alloc_demote_page() function Date: Tue, 21 Dec 2021 17:18:03 +0800 Message-Id: <611250978aa68c1fab6112a795e9c0e5b817d9ee.1640077468.git.baolin.wang@linux.alibaba.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: References: In-Reply-To: References: X-Rspamd-Server: rspam09 X-Rspamd-Queue-Id: 38EF5C0044 X-Stat-Signature: 8pky978a53f98uqy3mtgdft9qqed7jrc Authentication-Results: imf28.hostedemail.com; dkim=none; spf=pass (imf28.hostedemail.com: domain of baolin.wang@linux.alibaba.com designates 115.124.30.132 as permitted sender) smtp.mailfrom=baolin.wang@linux.alibaba.com; dmarc=pass (policy=none) header.from=alibaba.com X-HE-Tag: 1640078311-894044 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 alloc_demote_page() function to the head file as a preparation to support page demotion for DAMON monitor. Signed-off-by: Baolin Wang --- mm/internal.h | 1 + mm/vmscan.c | 2 +- 2 files changed, 2 insertions(+), 1 deletion(-) diff --git a/mm/internal.h b/mm/internal.h index deb9bda..99ea5fb 100644 --- a/mm/internal.h +++ b/mm/internal.h @@ -181,6 +181,7 @@ 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 struct page *alloc_demote_page(struct page *page, unsigned long node); /* * in mm/rmap.c: diff --git a/mm/vmscan.c b/mm/vmscan.c index f3162a5..bf38327 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -1458,7 +1458,7 @@ static void page_check_dirty_writeback(struct page *page, mapping->a_ops->is_dirty_writeback(page, dirty, writeback); } -static struct page *alloc_demote_page(struct page *page, unsigned long node) +struct page *alloc_demote_page(struct page *page, unsigned long node) { struct migration_target_control mtc = { /* -- 1.8.3.1