Re: [PATCH v2 2/2] swapon.2: Adjust decreased value under CONFIG_PTE_MARKER

Alejandro Colomar
2023-12-15T11:11:26Z

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Hi Yang,

On Tue, Dec 05, 2023 at 01:30:17AM -0500, Yang Xu wrote:
> Since linux 5.19[1], MAX_SWAPFILES will be futher decreased
> 1 if kernel built with CONFIG_PTE_MARKER.
>
> [1]https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/include/linux/swap.h?id=679d10331
>
> Signed-off-by: Yang Xu <xuyang2018.jy@fujitsu.com>
> ---

Patch applied.
<https://www.alejandro-colomar.es/src/alx/linux/man-pages/man-pages.git/commit/?h=contrib&id=0a5a5dee8927c9e21f13c250a752f3c6ba9d1a09>

Have a lovely day,
Alex

> man2/swapon.2 | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/man2/swapon.2 b/man2/swapon.2
> index 2bc477d18..13282ff96 100644
> --- a/man2/swapon.2
> +++ b/man2/swapon.2
> @@ -181,6 +181,10 @@ Since Linux 5.14, the limit is further decreased by 4
> if the kernel is built with the
> .B CONFIG_DEVICE_PRIVATE
> option.
> +Since Linux 5.19, the limit is further decreased by 1
> +if the kernel is built with the
> +.B CONFIG_PTE_MARKER
> +option.
> .P
> Discard of swap pages was introduced in Linux 2.6.29,
> then made conditional
> --
> 2.27.0
>
>

--
<https://www.alejandro-colomar.es/>
Looking for a remote C programming job at the moment.

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