From: Baolin Wang <baolin.wang@linux.alibaba.com>
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 [thread overview]
Message-ID: <abebba759c00afc910650f3867fa40aa16ba10a0.1640171137.git.baolin.wang@linux.alibaba.com> (raw)
In-Reply-To: <cover.1640171137.git.baolin.wang@linux.alibaba.com>
In-Reply-To: <cover.1640171137.git.baolin.wang@linux.alibaba.com>
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 <baolin.wang@linux.alibaba.com>
---
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
next prev parent reply other threads:[~2021-12-22 11:14 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-12-22 11:14 [PATCH v2 0/2] Add a new scheme to support demotion on tiered memory system Baolin Wang
2021-12-22 11:14 ` Baolin Wang [this message]
2021-12-22 11:14 ` [PATCH v2 2/2] mm/damon: " Baolin Wang
2021-12-23 0:01 ` [PATCH v2 0/2] " Andrew Morton
2021-12-23 1:01 ` Baolin Wang
2021-12-23 1:07 ` Huang, Ying
2021-12-23 1:21 ` Baolin Wang
2021-12-23 3:22 ` Huang, Ying
2021-12-23 6:35 ` Baolin Wang
2021-12-23 7:51 ` Huang, Ying
2021-12-23 11:31 ` SeongJae Park
2021-12-27 3:09 ` Huang, Ying
2021-12-28 8:44 ` SeongJae Park
2021-12-29 1:33 ` Huang, Ying
2021-12-29 10:34 ` SeongJae Park
2021-12-30 3:16 ` Huang, Ying
2021-12-30 8:03 ` SeongJae Park
2021-12-30 9:31 ` Baolin Wang
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