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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 45BE9C433F5 for ; Tue, 21 Dec 2021 10:13:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232788AbhLUKN6 (ORCPT ); Tue, 21 Dec 2021 05:13:58 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43520 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232012AbhLUKN5 (ORCPT ); Tue, 21 Dec 2021 05:13:57 -0500 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 68291C061574 for ; Tue, 21 Dec 2021 02:13:57 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 0B11061504 for ; Tue, 21 Dec 2021 10:13:57 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9387BC36AE2; Tue, 21 Dec 2021 10:13:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1640081636; bh=XUtUeesjUW0N0RTiH9C7BMgKdDECvFy8Vw2HjbvdAQE=; h=From:To:Cc:Subject:Date:In-Reply-To:From; b=eO697KCL47SgmUOkcPCrG68fTNQL/xGwqlqGA6mBraT3ld0otqada4bKF3oB0t2GQ m4aJkFiZzDL4VmsCpiJja4IcHuGDdtRh6GB5/sqoGVTyy5xhSQsuvUpGE2BlyTGPzP hixIVJuACyh8WIVJtsq2P3Eb8Flv+rl5uJUjgN+vfm0atrsvZcpBEncGhdt0IU6I1K hdblL4kgOABB5vlwvGCx2EZ75gV+1UqPDtrqtvriWbyZYxdNT1t0MOeGb4IfbVNLh0 AZgLHP2GWlhG/Mjb9wshxAqCVWG8FuHtYuv7UuSe1pMEZGFnVziiSTDYN/Wjceecmg Pkp3x3CAd2G9w== From: SeongJae Park To: Baolin Wang Cc: sj@kernel.org, akpm@linux-foundation.org, ying.huang@intel.com, dave.hansen@linux.intel.com, ziy@nvidia.com, shy828301@gmail.com, zhongjiang-ali@linux.alibaba.com, xlpang@linux.alibaba.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 1/2] mm: Export the alloc_demote_page() function Date: Tue, 21 Dec 2021 10:13:41 +0000 Message-Id: <20211221101341.14345-1-sj@kernel.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <611250978aa68c1fab6112a795e9c0e5b817d9ee.1640077468.git.baolin.wang@linux.alibaba.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 21 Dec 2021 17:18:03 +0800 Baolin Wang wrote: > 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 Reviewed-by: SeongJae Park Thanks, SJ > --- > 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