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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


      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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