Re: [PATCH] docs: mm: fix the incorrect 'FileHugeMapped' field

[David Hildenbrand <david@redhat.com>]

On 17.12.24 09:55, Baolin Wang wrote:
> The '/proc/PID/smaps' does not have the 'FileHugeMapped' field to count the
> file transparent huge pages, instead, the 'FilePmdMapped' field should be
> used. Fix it.
> 
> Signed-off-by: Baolin Wang <baolin.wang@linux.alibaba.com>
> ---
>   Documentation/admin-guide/mm/transhuge.rst | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/Documentation/admin-guide/mm/transhuge.rst b/Documentation/admin-guide/mm/transhuge.rst
> index 156a03af0a88..dff8d5985f0f 100644
> --- a/Documentation/admin-guide/mm/transhuge.rst
> +++ b/Documentation/admin-guide/mm/transhuge.rst
> @@ -466,7 +466,7 @@ AnonHugePmdMapped).
>   The number of file transparent huge pages mapped to userspace is available
>   by reading ShmemPmdMapped and ShmemHugePages fields in ``/proc/meminfo``.
>   To identify what applications are mapping file transparent huge pages, it
> -is necessary to read ``/proc/PID/smaps`` and count the FileHugeMapped fields
> +is necessary to read ``/proc/PID/smaps`` and count the FilePmdMapped fields
>   for each mapping.

We should probably change the above to clarify that this is all about 
PMD sized things.

Acked-by: David Hildenbrand <david@redhat.com>

-- 
Cheers,

David / dhildenb