diff mbox series

[1/2] mm: Export the alloc_demote_page() function

Message ID 611250978aa68c1fab6112a795e9c0e5b817d9ee.1640077468.git.baolin.wang@linux.alibaba.com (mailing list archive)
State New
Headers show
Series Add a new scheme to support demotion on tiered memory system | expand

Commit Message

Baolin Wang Dec. 21, 2021, 9:18 a.m. UTC
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 <baolin.wang@linux.alibaba.com>
---
 mm/internal.h | 1 +
 mm/vmscan.c   | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

Comments

SeongJae Park Dec. 21, 2021, 10:13 a.m. UTC | #1
On Tue, 21 Dec 2021 17:18:03 +0800 Baolin Wang <baolin.wang@linux.alibaba.com> 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 <baolin.wang@linux.alibaba.com>

Reviewed-by: SeongJae Park <sj@kernel.org>


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
diff mbox series

Patch

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 = {
 		/*