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Message-ID: <20240724130115.793641-1-ziy@nvidia.com>
Date: Wed, 24 Jul 2024 09:01:12 -0400
From: Zi Yan <ziy@...dia.com>
To: Andrew Morton <akpm@...ux-foundation.org>,
linux-mm@...ck.org
Cc: David Hildenbrand <david@...hat.com>,
"Huang, Ying" <ying.huang@...el.com>,
Baolin Wang <baolin.wang@...ux.alibaba.com>,
Kefeng Wang <wangkefeng.wang@...wei.com>,
Lorenzo Stoakes <lorenzo.stoakes@...cle.com>,
linux-kernel@...r.kernel.org,
Zi Yan <ziy@...dia.com>
Subject: [PATCH v3 0/3] Various memory tiering fixes
Changelog
===
>From v2:
1. Renamed folio_has_cpupid() to folio_use_access_time() and reverse the
code logic, since folio_has_cpupid() = !folio_use_access_time().
2. Wrapped folio_use_access_time() with CONFIG_NUMA_BALANCING to avoid the
function redefinition compilation error.
>From v1:
1. Added a memory tiering runtime check in migrate_misplaced_folio() to
correct PGPROMOTE_SUCCESS counting.
2. Moved folio_has_cpupid() from memory-tiers.h to mm.h.
>From RFC:
1. Added Reported-by and Closes flags to first patch
Zi Yan (3):
memory tiering: read last_cpupid correctly in do_huge_pmd_numa_page()
memory tiering: introduce folio_use_access_time() check
memory tiering: count PGPROMOTE_SUCCESS when mem tiering is enabled.
include/linux/mm.h | 6 ++++++
kernel/sched/fair.c | 3 +--
mm/huge_memory.c | 5 ++---
mm/memory-tiers.c | 19 +++++++++++++++++++
mm/memory.c | 3 +--
mm/migrate.c | 4 +++-
mm/mprotect.c | 3 +--
7 files changed, 33 insertions(+), 10 deletions(-)
--
2.43.0
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