Re: [PATCH][trivial] mm/pagewalk.c break const constraint.

From: Vegard Nossum
Date: Sat Apr 19 2008 - 05:34:49 EST


On Sat, Apr 19, 2008 at 11:26 AM, KOSAKI Motohiro
<kosaki.motohiro@xxxxxxxxxxxxxx> wrote:
> patch against 2.6.25
>
> when compile 2.6.25, following warnings was outputed.
>
> CC mm/pagewalk.o
> mm/pagewalk.c: In function 'walk_page_range':
> mm/pagewalk.c:111: warning: passing argument 1 of 'pgd_offset' discards qualifiers from p\
> ointer target type
>
> mm argument of walk_page_range() is unnecessary const restriction.
> this patch is no functional change. it's only remove warning.

Is this ia64 or cris? I think the correct way to resolve this is to
make pgd_offset() take a const struct mm_struct * instead.

Vegard


--
"The animistic metaphor of the bug that maliciously sneaked in while
the programmer was not looking is intellectually dishonest as it
disguises that the error is the programmer's own creation."
-- E. W. Dijkstra, EWD1036
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