From: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
To: Andrew Morton <akpm@linux-foundation.org>,
"Borislav Petkov (AMD)" <bp@alien8.de>,
Mel Gorman <mgorman@suse.de>, Vlastimil Babka <vbabka@suse.cz>
Cc: Tom Lendacky <thomas.lendacky@amd.com>,
Mike Rapoport <rppt@kernel.org>,
"Matthew Wilcox (Oracle)" <willy@infradead.org>,
David Hildenbrand <david@redhat.com>,
Johannes Weiner <hannes@cmpxchg.org>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org,
"Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
Subject: [PATCHv2 8/8] mm: Accept to promo watermark
Date: Fri, 9 Aug 2024 14:48:54 +0300 [thread overview]
Message-ID: <20240809114854.3745464-9-kirill.shutemov@linux.intel.com> (raw)
In-Reply-To: <20240809114854.3745464-1-kirill.shutemov@linux.intel.com>
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@linux.intel.com>
---
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
prev parent reply other threads:[~2024-08-09 11:49 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-08-09 11:48 [PATCHv2 0/8] mm: Fix several issues with unaccepted memory Kirill A. Shutemov
2024-08-09 11:48 ` [PATCHv2 1/8] mm: Fix endless reclaim on machines " Kirill A. Shutemov
2024-08-12 22:12 ` Jianxiong Gao
2024-08-09 11:48 ` [PATCHv2 2/8] mm: Reduce deferred struct page init ifdeffery Kirill A. Shutemov
2024-08-09 11:48 ` [PATCHv2 3/8] mm: Accept memory in __alloc_pages_bulk() Kirill A. Shutemov
2024-08-09 15:31 ` Tom Lendacky
2024-08-12 6:24 ` Kirill A. Shutemov
2024-08-09 11:48 ` [PATCHv2 4/8] mm: Introduce PageUnaccepted() page type Kirill A. Shutemov
2024-08-09 11:48 ` [PATCHv2 5/8] mm: Rework accept memory helpers Kirill A. Shutemov
2024-08-09 11:48 ` [PATCHv2 6/8] mm: Add a helper to accept page Kirill A. Shutemov
2024-08-09 11:48 ` [PATCHv2 7/8] mm: page_isolation: Handle unaccepted memory isolation Kirill A. Shutemov
2024-08-09 11:48 ` Kirill A. Shutemov [this message]
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