linux-kernel - [PATCH 0/2] mm: introduce per-order mTHP split counters

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Message-Id: <20240424135148.30422-1-ioworker0@gmail.com>
Date: Wed, 24 Apr 2024 21:51:46 +0800
From: Lance Yang <ioworker0@...il.com>
To: akpm@...ux-foundation.org
Cc: 21cnbao@...il.com,
	ryan.roberts@....com,
	david@...hat.com,
	baolin.wang@...ux.alibaba.com,
	linux-kernel@...r.kernel.org,
	linux-mm@...ck.org,
	Lance Yang <ioworker0@...il.com>
Subject: [PATCH 0/2] mm: introduce per-order mTHP split counters

Hi all,

At present, the split counters in THP statistics no longer include
PTE-mapped mTHP. Therefore, we want to introduce per-order mTHP split
counters to monitor the frequency of mTHP splits. This will assist
developers in better analyzing and optimizing system performance.

/sys/kernel/mm/transparent_hugepage/hugepages-<size>/stats
        split_page
        split_page_failed
        deferred_split_page

Thanks,
Lance
---

Lance Yang (2):
 mm: add per-order mTHP split counters
 mm: add docs for per-order mTHP split counters

 Documentation/admin-guide/mm/transhuge.rst | 16 ----------------
 include/linux/huge_mm.h                    |  3 ---
 mm/huge_memory.c                           | 14 ++------------
 3 files changed, 2 insertions(+), 31 deletions(-)

-- 
2.33.1