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From: Andrew Morton <akpm@linux-foundation.org>
To: mengensun88@gmail.com
Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org,
	alexjlzheng@tencent.com, MengEn Sun <mengensun@tencent.com>
Subject: Re: [PATCH] vmstat: call fold_vm_zone_numa_events() before show per zone NUMA event
Date: Wed, 30 Oct 2024 16:35:27 -0700	[thread overview]
Message-ID: <20241030163527.cc9075a4aeb60448873aea73@linux-foundation.org> (raw)
In-Reply-To: <1730277457-22725-1-git-send-email-mengensun@tencent.com>

On Wed, 30 Oct 2024 16:37:37 +0800 mengensun88@gmail.com wrote:

> From: MengEn Sun <mengensun@tencent.com>
> 
> NUMA events will only be folded from per-CPU statistics to per
> zone and global statistics when the user actually needs it.
> 
> So, we perform this folding when reading the /proc/zoneinfo

When proposing a fix, please always fully describe the
userspace-visible effects of that fix.

> Fixes: f19298b9516c ("mm/vmstat: convert NUMA statistics to basic NUMA counters")

Since v5.14.

The information which I requested will help others decide whether
earlier kernel versions should apply this fix.



      reply	other threads:[~2024-10-30 23:35 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-10-30  8:37 mengensun88
2024-10-30 23:35 ` Andrew Morton [this message]

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