diff mbox series

[5/6] writeback: rename nr_reclaimable to nr_dirty in balance_dirty_pages

Message ID 20240320110222.6564-6-shikemeng@huaweicloud.com (mailing list archive)
State New
Headers show
Series Improve visibility of writeback | expand

Commit Message

Kemeng Shi March 20, 2024, 11:02 a.m. UTC
Commit 8d92890bd6b85 ("mm/writeback: discard NR_UNSTABLE_NFS, use
NR_WRITEBACK instead") removed NR_UNSTABLE_NFS and nr_reclaimable
only contains dirty page now.
Rename nr_reclaimable to nr_dirty properly.

Signed-off-by: Kemeng Shi <shikemeng@huaweicloud.com>
---
 mm/page-writeback.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

Comments

Jan Kara March 26, 2024, 12:27 p.m. UTC | #1
On Wed 20-03-24 19:02:21, Kemeng Shi wrote:
> Commit 8d92890bd6b85 ("mm/writeback: discard NR_UNSTABLE_NFS, use
> NR_WRITEBACK instead") removed NR_UNSTABLE_NFS and nr_reclaimable
> only contains dirty page now.
> Rename nr_reclaimable to nr_dirty properly.
> 
> Signed-off-by: Kemeng Shi <shikemeng@huaweicloud.com>

Looks good. Feel free to add:

Reviewed-by: Jan Kara <jack@suse.cz>

								Honza

> ---
>  mm/page-writeback.c | 8 ++++----
>  1 file changed, 4 insertions(+), 4 deletions(-)
> 
> diff --git a/mm/page-writeback.c b/mm/page-writeback.c
> index ba1b6b5ae5d6..481b6bf34c21 100644
> --- a/mm/page-writeback.c
> +++ b/mm/page-writeback.c
> @@ -1695,7 +1695,7 @@ static int balance_dirty_pages(struct bdi_writeback *wb,
>  	struct dirty_throttle_control * const mdtc = mdtc_valid(&mdtc_stor) ?
>  						     &mdtc_stor : NULL;
>  	struct dirty_throttle_control *sdtc;
> -	unsigned long nr_reclaimable;	/* = file_dirty */
> +	unsigned long nr_dirty;
>  	long period;
>  	long pause;
>  	long max_pause;
> @@ -1716,9 +1716,9 @@ static int balance_dirty_pages(struct bdi_writeback *wb,
>  		unsigned long m_thresh = 0;
>  		unsigned long m_bg_thresh = 0;
>  
> -		nr_reclaimable = global_node_page_state(NR_FILE_DIRTY);
> +		nr_dirty = global_node_page_state(NR_FILE_DIRTY);
>  		gdtc->avail = global_dirtyable_memory();
> -		gdtc->dirty = nr_reclaimable + global_node_page_state(NR_WRITEBACK);
> +		gdtc->dirty = nr_dirty + global_node_page_state(NR_WRITEBACK);
>  
>  		domain_dirty_limits(gdtc);
>  
> @@ -1769,7 +1769,7 @@ static int balance_dirty_pages(struct bdi_writeback *wb,
>  		 * In normal mode, we start background writeout at the lower
>  		 * background_thresh, to keep the amount of dirty memory low.
>  		 */
> -		if (!laptop_mode && nr_reclaimable > gdtc->bg_thresh &&
> +		if (!laptop_mode && nr_dirty > gdtc->bg_thresh &&
>  		    !writeback_in_progress(wb))
>  			wb_start_background_writeback(wb);
>  
> -- 
> 2.30.0
>
diff mbox series

Patch

diff --git a/mm/page-writeback.c b/mm/page-writeback.c
index ba1b6b5ae5d6..481b6bf34c21 100644
--- a/mm/page-writeback.c
+++ b/mm/page-writeback.c
@@ -1695,7 +1695,7 @@  static int balance_dirty_pages(struct bdi_writeback *wb,
 	struct dirty_throttle_control * const mdtc = mdtc_valid(&mdtc_stor) ?
 						     &mdtc_stor : NULL;
 	struct dirty_throttle_control *sdtc;
-	unsigned long nr_reclaimable;	/* = file_dirty */
+	unsigned long nr_dirty;
 	long period;
 	long pause;
 	long max_pause;
@@ -1716,9 +1716,9 @@  static int balance_dirty_pages(struct bdi_writeback *wb,
 		unsigned long m_thresh = 0;
 		unsigned long m_bg_thresh = 0;
 
-		nr_reclaimable = global_node_page_state(NR_FILE_DIRTY);
+		nr_dirty = global_node_page_state(NR_FILE_DIRTY);
 		gdtc->avail = global_dirtyable_memory();
-		gdtc->dirty = nr_reclaimable + global_node_page_state(NR_WRITEBACK);
+		gdtc->dirty = nr_dirty + global_node_page_state(NR_WRITEBACK);
 
 		domain_dirty_limits(gdtc);
 
@@ -1769,7 +1769,7 @@  static int balance_dirty_pages(struct bdi_writeback *wb,
 		 * In normal mode, we start background writeout at the lower
 		 * background_thresh, to keep the amount of dirty memory low.
 		 */
-		if (!laptop_mode && nr_reclaimable > gdtc->bg_thresh &&
+		if (!laptop_mode && nr_dirty > gdtc->bg_thresh &&
 		    !writeback_in_progress(wb))
 			wb_start_background_writeback(wb);