On Mon, 28 Jan 2002, Jun Sun wrote:
> Geert Uytterhoeven wrote:
> > On Mon, 28 Jan 2002, Phil Thompson wrote:
> > > Should USER_PTRS_PER_PGD be defined as (TASK_SIZE/PGDIR_SIZE) + 1?
> >
> > You mean ((TASK_SIZE)+1)/PGDIR_SIZE?
> >
>
> No. It should be
>
> +#define USER_PTRS_PER_PGD ((TASK_SIZE-1)/PGDIR_SIZE + 1)
>
> Mathmatically,
>
> USER_PTRS_PER_PGD=ceil(TASK_SIZE/PGDIR_SIZE)
OK, ((TASK_SIZE+PGDIR_SIZE-1)/PGDIR_SIZE) in that case :-)
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
