[PATCHv2 8/8] mm: Accept to promo watermark
From: Kirill A. Shutemov
Date: Fri Aug 09 2024 - 07:50:15 EST
Commit c574bbe91703 ("NUMA balancing: optimize page placement for memory
tiering system") introduced a new watermark above "high" -- "promo".
Accept memory memory to the highest watermark which is WMARK_PROMO now.
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx>
---
mm/page_alloc.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index f0610c691ae5..84a7154fde93 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -7046,8 +7046,8 @@ static bool cond_accept_memory(struct zone *zone, unsigned int order)
if (list_empty(&zone->unaccepted_pages))
return false;
- /* How much to accept to get to high watermark? */
- to_accept = high_wmark_pages(zone) -
+ /* How much to accept to get to promo watermark? */
+ to_accept = promo_wmark_pages(zone) -
(zone_page_state(zone, NR_FREE_PAGES) -
__zone_watermark_unusable_free(zone, order, 0) -
zone_page_state(zone, NR_UNACCEPTED));
--
2.43.0