From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 316A123746 for ; Sat, 10 Aug 2024 06:19:33 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1723270773; cv=none; b=sYqmlcPzff9+UeYtI3PgHgJppW7lLH8Yy6DHqev6nj55E8GiQS8+q27bfVlePLRHSPCaT+KY/2sxzZOTktauMM3Oxxdb6X6YVTEjwvejRLh0pgo4M6E6HaQfXANd4TVGFlzSC7YrssHFt1vl2qH4mmbp+f4pYFd29khSl/6dAuc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1723270773; c=relaxed/simple; bh=h1OH99Bt8Y2OP0ZDJqTtpFK9hVM7dLxWHz8YdRyl1qw=; h=Date:To:From:Subject:Message-Id; b=nh4PUDpCFpxsFwB2gRdP4gmUXUJosEkNvv96/eJhwEaEODTFBTV6LSR7217cLqOnJKWn93o4wjHWjY6pT8A0YaAkEebRHdAeKADa2CcANfidqgIbOL/FKFacNE8Nmu5RHb6BjTYhnIBjh/VewMl5WQ95FrzIlMKhMaguMlA5bjU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b=nJnSmngf; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b="nJnSmngf" Received: by smtp.kernel.org (Postfix) with ESMTPSA id EB253C32781; Sat, 10 Aug 2024 06:19:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1723270773; bh=h1OH99Bt8Y2OP0ZDJqTtpFK9hVM7dLxWHz8YdRyl1qw=; h=Date:To:From:Subject:From; b=nJnSmngfnPLQz6n0rdFXti7vu1ISstqEK7yvOM0WH2hwj8bID5/YT0nVbx4WJpUin LjOrs+lvHDHWWqyWTsdvu3YwMGZ22OcP1PyyIo5yL4lWj/y5f0s24dT804iXFKMwLW d+jrmWEV9YHHCJiC+avaRaQbHESQXliY1CGMHRdE= Date: Fri, 09 Aug 2024 23:19:32 -0700 To: mm-commits@vger.kernel.org,willy@infradead.org,vbabka@suse.cz,thomas.lendacky@amd.com,rppt@kernel.org,mgorman@suse.de,hannes@cmpxchg.org,david@redhat.com,bp@alien8.de,kirill.shutemov@linux.intel.com,akpm@linux-foundation.org From: Andrew Morton Subject: + mm-accept-to-promo-watermark.patch added to mm-unstable branch Message-Id: <20240810061932.EB253C32781@smtp.kernel.org> Precedence: bulk X-Mailing-List: mm-commits@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: The patch titled Subject: mm: accept to promo watermark has been added to the -mm mm-unstable branch. Its filename is mm-accept-to-promo-watermark.patch This patch will shortly appear at https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-accept-to-promo-watermark.patch This patch will later appear in the mm-unstable branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/process/submit-checklist.rst when testing your code *** The -mm tree is included into linux-next via the mm-everything branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm and is updated there every 2-3 working days ------------------------------------------------------ From: "Kirill A. Shutemov" Subject: mm: accept to promo watermark Date: Fri, 9 Aug 2024 14:48:54 +0300 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 Cc: Borislav Petkov Cc: David Hildenbrand Cc: Johannes Weiner Cc: Matthew Wilcox Cc: Mel Gorman Cc: Mike Rapoport (Microsoft) Cc: Tom Lendacky Cc: Vlastimil Babka Signed-off-by: Andrew Morton --- mm/page_alloc.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) --- a/mm/page_alloc.c~mm-accept-to-promo-watermark +++ a/mm/page_alloc.c @@ -7010,8 +7010,8 @@ static bool cond_accept_memory(struct zo 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)); _ Patches currently in -mm which might be from kirill.shutemov@linux.intel.com are mm-fix-endless-reclaim-on-machines-with-unaccepted-memory.patch mm-reduce-deferred-struct-page-init-ifdeffery.patch mm-accept-memory-in-__alloc_pages_bulk.patch mm-introduce-pageunaccepted-page-type.patch mm-rework-accept-memory-helpers.patch mm-add-a-helper-to-accept-page.patch mm-page_isolation-handle-unaccepted-memory-isolation.patch mm-accept-to-promo-watermark.patch