Re: [PATCH v2 1/2] swapon.2: Adjust decreased value under CONFIG_MIGRATION

Alejandro Colomar
2023-12-15T11:27:33Z

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On Fri, Dec 15, 2023 at 12:13:30PM +0100, Alejandro Colomar wrote:
> Hi Yang,
>
> On Tue, Dec 05, 2023 at 01:30:16AM -0500, Yang Xu wrote:
> > After kernel 5.19[1], the limit is decreased by 3.
> >
> > [1]https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/include/linux/swap.h?id=6c287605f
> >
> > Signed-off-by: Yang Xu <xuyang2018.jy@fujitsu.com>
>
> I've applied the patch, with some modifications:
> <https://www.alejandro-colomar.es/src/alx/linux/man-pages/man-pages.git/commit/?h=contrib&id=5da8280ed6eefb3d70f86281579c4afae89230b1>

Oops, my modification was wrong. I've amended that. Here are the two
patches now:

<https://www.alejandro-colomar.es/src/alx/linux/man-pages/man-pages.git/commit/?h=contrib&id=90ba8cf3ab2536bdc138986c4581c62a3c0b60d4>
<https://www.alejandro-colomar.es/src/alx/linux/man-pages/man-pages.git/commit/?h=contrib&id=9e160cf3fd27181a72ec2fb628f64e971510f9f3>

>
> Cheers,
> Alex
>
> > ---
> > man2/swapon.2 | 3 ++-
> > 1 file changed, 2 insertions(+), 1 deletion(-)
> >
> > diff --git a/man2/swapon.2 b/man2/swapon.2
> > index c0e61cbc6..2bc477d18 100644
> > --- a/man2/swapon.2
> > +++ b/man2/swapon.2
> > @@ -164,7 +164,8 @@ Before Linux 2.4.10,
> > .B MAX_SWAPFILES
> > has the value 8;
> > since Linux 2.4.10, it has the value 32.
> > -Since Linux 2.6.18, the limit is decreased by 2 (thus: 30)
> > +Since Linux 2.6.18, the limit is decreased by 2 (Since Linux 5.19.0,
> > +the limit is decreased by 3)
> > if the kernel is built with the
> > .B CONFIG_MIGRATION
> > option
> > --
> > 2.27.0
> >
> >
>
> --
> <https://www.alejandro-colomar.es/>
> Looking for a remote C programming job at the moment.

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

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