diff options
| author | Kirill A. Shutemov <kirill.shutemov@linux.intel.com> | 2024-08-09 13:48:54 +0200 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2024-09-02 05:26:07 +0200 |
| commit | 59149bf8cea9e3b0e6368f68ae31bf91cdec1eb4 (patch) | |
| tree | f28e7e11727e3c188be1893d71fc77ac251ab49b | |
| parent | mm: page_isolation: handle unaccepted memory isolation (diff) | |
| download | linux-59149bf8cea9e3b0e6368f68ae31bf91cdec1eb4.tar.xz linux-59149bf8cea9e3b0e6368f68ae31bf91cdec1eb4.zip | |
mm: accept to promo watermark
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.
Link: https://lkml.kernel.org/r/20240809114854.3745464-9-kirill.shutemov@linux.intel.com
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: David Hildenbrand <david@redhat.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Mel Gorman <mgorman@suse.de>
Cc: Mike Rapoport (Microsoft) <rppt@kernel.org>
Cc: Tom Lendacky <thomas.lendacky@amd.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
| -rw-r--r-- | mm/page_alloc.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 927f4e111273..56a93805561a 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -7001,8 +7001,8 @@ 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)); |