Re: [PATCH 2.6.24] mm: BadRAM support for broken memory

[Nick Piggin]

On Monday 03 March 2008 18:14, KOSAKI Motohiro wrote:
> > > some architecture use PG_reserved for treat bad memory.
> > > Why do you want introduce new page flag?
> > > for show_mem() improvement?
> >
> > I'd like to get rid of PG_reserved at some point. So I'd
> > rather not overload it with more meanings ;)
>
> really?
>
> as far as I know, IA64 already use PG_reserved for bad memory.
> please see arch/ia64/kernel/mcs_drv.c#mca_page_isolate.
>
> Doesn't it works on ia64 if your patch introduce?

It doesn't really need to use PG_reserved there, no. It could
use PG_bad for that instead.

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