Re: Weird message in dmesg

Sergey Kandaurov <pluknet@freebsd.org> writes:
> Index: /usr/src/sys/vm/swap_pager.c
> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
> --- /usr/src/sys/vm/swap_pager.c        (revision 239722)
> +++ /usr/src/sys/vm/swap_pager.c        (working copy)
> @@ -2135,7 +2135,7 @@ swapon_check_swzone(unsigned long npages)
>         if (npages > maxpages / 2) {
>                 printf("warning: total configured swap (%lu pages) "
>                     "exceeds maximum recommended amount (%lu pages).\n",
> -                   npages, maxpages);
> +                   npages, maxpages / 2);
>                 printf("warning: increase kern.maxswzone "
>                     "or reduce amount of swap.\n");
>                 return (-1);

Correct.  The theoretical maximum is maxpages, but due to fragmentation,
you can run out of space well before that.

DES
--=20
Dag-Erling Sm=C3=B8rgrav - des@des.no
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