I guess I should revert this particular change then. Yes, I saw PGOFSET
definition and assumed it's a typo too, just too widely used and like you
said historical value. In some header files PGOFSET had a comment:  "byte
offset into page" next to it.

On Sun, Jul 25, 2021, 00:53 Izumi Tsutsui <tsut...@ceres.dti.ne.jp> wrote:

> > Log Message:
> > Fix all remaining typos, mainly in comments but also in few definitions
> and log messages, reported by me in PR kern/54889.
> > Also fixed some additional typos in comments, found on review of same
> files or typos.
>  :
> > cvs rdiff -u -r1.51 -r1.52 src/sys/arch/sh3/sh3/exception_vector.S
> > cvs rdiff -u -r1.83 -r1.84 src/sys/arch/sh3/sh3/pmap.c
>
> ---
>  #define        __PMAP_PTP_PG_N         (PAGE_SIZE / sizeof(pt_entry_t))
>  #define        __PMAP_PTP_INDEX(va)    (((va) >> __PMAP_PTP_SHIFT) &
> (__PMAP_PTP_N - 1))
> -#define        __PMAP_PTP_OFSET(va)    ((va >> PGSHIFT) &
> (__PMAP_PTP_PG_N - 1))
> +#define        __PMAP_PTP_OFFSET(va)   ((va >> PGSHIFT) &
> (__PMAP_PTP_PG_N - 1))
> ---
>
> This "OFSET" seems corresponding to historical MI "PGOFSET" macro defined
> in <machine/param.h> (though I don't know if the "OFSET" had particular
> meanings, other than its strlen).
>
> ---
> Izumi Tsutsui
>

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