Re: [PATCH] docs: tmpfs: update the huge folios policy for tmpfs and shmem fix

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On Wed, Nov 13, 2024 at 7:57 PM Baolin Wang
<baolin.wang@xxxxxxxxxxxxxxxxx> wrote:
>
> Drop 'fadvise()' from the doc, since fadvise() has no HUGEPAGE advise
> currently.
>
> Signed-off-by: Baolin Wang <baolin.wang@xxxxxxxxxxxxxxxxx>

Reviewed-by: Barry Song <baohua@xxxxxxxxxx>

I couldn’t find any mention of HUGEPAGE in fadvise() either.

FADV_NORMAL
FADV_RANDOM
FADV_SEQUENTIAL
FADV_WILLNEED
FADV_DONTNEED
FADV_NOREUSE

> ---
>  Documentation/admin-guide/mm/transhuge.rst | 8 ++++----
>  1 file changed, 4 insertions(+), 4 deletions(-)
>
> diff --git a/Documentation/admin-guide/mm/transhuge.rst b/Documentation/admin-guide/mm/transhuge.rst
> index ba6edff728ed..333958ef0d5f 100644
> --- a/Documentation/admin-guide/mm/transhuge.rst
> +++ b/Documentation/admin-guide/mm/transhuge.rst
> @@ -382,10 +382,10 @@ never
>
>  within_size
>      Only allocate huge page if it will be fully within i_size.
> -    Also respect fadvise()/madvise() hints;
> +    Also respect madvise() hints;
>
>  advise
> -    Only allocate huge pages if requested with fadvise()/madvise();
> +    Only allocate huge pages if requested with madvise();
>
>  Remember, that the kernel may use huge pages of all available sizes, and
>  that no fine control as for the internal tmpfs mount is available.
> @@ -438,10 +438,10 @@ never
>
>  within_size
>      Only allocate <size> huge page if it will be fully within i_size.
> -    Also respect fadvise()/madvise() hints;
> +    Also respect madvise() hints;
>
>  advise
> -    Only allocate <size> huge pages if requested with fadvise()/madvise();
> +    Only allocate <size> huge pages if requested with madvise();
>
>  Need of application restart
>  ===========================
> --
> 2.39.3
>





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