linux-kernel - Re: [PATCH -next] mm/hugetlb_cgroup: introduce peak and rsvd.peak to v2

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Message-Id: <20240702185851.e85a742f3391857781368f6c@linux-foundation.org>
Date: Tue, 2 Jul 2024 18:58:51 -0700
From: Andrew Morton <akpm@...ux-foundation.org>
To: Xiu Jianfeng <xiujianfeng@...wei.com>
Cc: <tj@...nel.org>, <lizefan.x@...edance.com>, <hannes@...xchg.org>,
 <corbet@....net>, <cgroups@...r.kernel.org>, <linux-doc@...r.kernel.org>,
 <linux-kernel@...r.kernel.org>, <linux-mm@...ck.org>
Subject: Re: [PATCH -next] mm/hugetlb_cgroup: introduce peak and rsvd.peak
 to v2

On Tue, 2 Jul 2024 12:57:28 +0000 Xiu Jianfeng <xiujianfeng@...wei.com> wrote:

> Introduce peak and rsvd.peak to v2 to show the historical maximum
> usage of resources, as in some scenarios it is necessary to configure
> the value of max/rsvd.max based on the peak usage of resources.

"in some scenarios it is necessary" is not a strong statement.  It
would be helpful to fully describe these scenarios so that others can
better understand the value of this change.