The patch titled
Subject: mm: add pcp high_min high_max to proc zoneinfo
has been added to the -mm mm-unstable branch. Its filename is
mm-add-pcp-high_min-high_max-to-proc-zoneinfo.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-add-pcp-high_min-high_max-to-proc-zoneinfo.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: MengEn Sun <mengensun@xxxxxxxxxxx>
Subject: mm: add pcp high_min high_max to proc zoneinfo
Date: Thu, 10 Oct 2024 20:09:36 +0800
When we do not set percpu_pagelist_high_fraction the kernel will compute
the pcp high_min/max by itself, which makes it hard to determine the
current high_min/max values.
So output the pcp high_min/max values to /proc/zoneinfo.
Link: https://lkml.kernel.org/r/20241010120935.656619-1-mengensun@xxxxxxxxxxx
Signed-off-by: MengEn Sun <mengensun@xxxxxxxxxxx>
Reviewed-by: Jinliang Zheng <alexjlzheng@xxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/vmstat.c | 12 ++++++++----
1 file changed, 8 insertions(+), 4 deletions(-)
--- a/mm/vmstat.c~mm-add-pcp-high_min-high_max-to-proc-zoneinfo
+++ a/mm/vmstat.c
@@ -1791,13 +1791,17 @@ static void zoneinfo_show_print(struct s
pcp = per_cpu_ptr(zone->per_cpu_pageset, i);
seq_printf(m,
"\n cpu: %i"
- "\n count: %i"
- "\n high: %i"
- "\n batch: %i",
+ "\n count: %i"
+ "\n high: %i"
+ "\n batch: %i"
+ "\n high_min: %i"
+ "\n high_max: %i",
i,
pcp->count,
pcp->high,
- pcp->batch);
+ pcp->batch,
+ pcp->high_min,
+ pcp->high_max);
#ifdef CONFIG_SMP
pzstats = per_cpu_ptr(zone->per_cpu_zonestats, i);
seq_printf(m, "\n vm stats threshold: %d",
_
Patches currently in -mm which might be from mengensun@xxxxxxxxxxx are
mm-add-pcp-high_min-high_max-to-proc-zoneinfo.patch
