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From: "David Hildenbrand (Arm)" <david@kernel.org>
To: Enze Li <lienze@kylinos.cn>,
	muchun.song@linux.dev, osalvador@suse.de,
	akpm@linux-foundation.org, corbet@lwn.net,
	danielmaraboo@gmail.com
Cc: linux-mm@kvack.org, linux-doc@vger.kernel.org
Subject: Re: [PATCH v2] docs: hugetlbpage.rst: clarify HugePages_Total in hugetlbpage.rst
Date: Mon, 26 Oct 2026 10:53:53 +0100	[thread overview]
Message-ID: <384f2307-8531-43f2-8ec4-4b2dedc31e36@kernel.org> (raw)
In-Reply-To: <20261026080856.76175-1-lienze@kylinos.cn>

On 10/26/26 09:08, Enze Li wrote:
> "the size of the pool of huge pages" confused me, since it sounds like
> a size in bytes.  It's actually the number of huge pages of the default
> size in the pool, surplus pages included.  Reword it and point to
> /sys/kernel/mm/hugepages for the other huge page sizes.
> 
> Suggested-by: Daniel Pereira <danielmaraboo@gmail.com>
> Signed-off-by: Enze Li <lienze@kylinos.cn>
> ---
> Changes in v2:
> - Drop "persistent" from the description
> - Reward the note on other sizes.
> 
>  Documentation/admin-guide/mm/hugetlbpage.rst | 5 ++++-
>  1 file changed, 4 insertions(+), 1 deletion(-)
> 
> diff --git a/Documentation/admin-guide/mm/hugetlbpage.rst b/Documentation/admin-guide/mm/hugetlbpage.rst
> index 2075f1f14a42..282bc420d97b 100644
> --- a/Documentation/admin-guide/mm/hugetlbpage.rst
> +++ b/Documentation/admin-guide/mm/hugetlbpage.rst
> @@ -43,7 +43,10 @@ The output of ``cat /proc/meminfo`` will include lines like::
>  where:
>  
>  HugePages_Total
> -	is the size of the pool of huge pages.
> +	is the number of huge pages of the default size in the pool,
> +	both persistent and surplus.  Counts for the other huge page
> +	sizes are available in ``/sys/kernel/mm/hugepages`` (described
> +	below).

Reviewed-by: David Hildenbrand (Arm) <david@kernel.org>

-- 
Cheers,

David


  reply	other threads:[~2026-10-26  9:54 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-10-26  8:08 [PATCH v2] docs: hugetlbpage.rst: clarify HugePages_Total in hugetlbpage.rst Enze Li
2026-10-26  9:53 ` David Hildenbrand (Arm) [this message]
2026-10-26 13:34 ` Muchun Song

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