The patch titled
Subject: mm-add-docs-for-per-order-mthp-split-counters-v3
has been added to the -mm mm-unstable branch. Its filename is
mm-add-docs-for-per-order-mthp-split-counters-v3.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-add-docs-for-per-order-mthp-split-counters-v3.patch
This patch will later appear in the mm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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------------------------------------------------------
From: Lance Yang <ioworker0@xxxxxxxxx>
Subject: mm-add-docs-for-per-order-mthp-split-counters-v3
Date: Thu, 4 Jul 2024 09:29:05 +0800
improve the doc as suggested by Ryan
Link: https://lkml.kernel.org/r/20240704012905.42971-3-ioworker0@xxxxxxxxx
Signed-off-by: Mingzhe Yang <mingzhe.yang@xxxxxx>
Signed-off-by: Lance Yang <ioworker0@xxxxxxxxx>
Reviewed-by: Barry Song <baohua@xxxxxxxxxx>
Cc: Bang Li <libang.li@xxxxxxxxxxxx>
Cc: Baolin Wang <baolin.wang@xxxxxxxxxxxxxxxxx>
Cc: David Hildenbrand <david@xxxxxxxxxx>
Cc: Ryan Roberts <ryan.roberts@xxxxxxx>
Cc: Yang Shi <shy828301@xxxxxxxxx>
Cc: Zi Yan <ziy@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
Documentation/admin-guide/mm/transhuge.rst | 8 ++------
1 file changed, 2 insertions(+), 6 deletions(-)
--- a/Documentation/admin-guide/mm/transhuge.rst~mm-add-docs-for-per-order-mthp-split-counters-v3
+++ a/Documentation/admin-guide/mm/transhuge.rst
@@ -369,10 +369,6 @@ also applies to the regions registered i
Monitoring usage
================
-.. note::
- Currently the below counters only record events relating to
- PMD-sized THP. Events relating to other THP sizes are not included.
-
The number of PMD-sized anonymous transparent huge pages currently used by the
system is available by reading the AnonHugePages field in ``/proc/meminfo``.
To identify what applications are using PMD-sized anonymous transparent huge
@@ -516,8 +512,8 @@ file_fallback_charge
split
is incremented every time a huge page is successfully split into
- base pages. This can happen for a variety of reasons but a common
- reason is that a huge page is old and is being reclaimed.
+ smaller orders. This can happen for a variety of reasons but a
+ common reason is that a huge page is old and is being reclaimed.
This action implies splitting any block mappings into PTEs.
split_failed
_
Patches currently in -mm which might be from ioworker0@xxxxxxxxx are
mm-add-per-order-mthp-split-counters.patch
mm-add-per-order-mthp-split-counters-v3.patch
mm-add-docs-for-per-order-mthp-split-counters.patch
mm-add-docs-for-per-order-mthp-split-counters-v3.patch
