Re: bug in 2.6.9-rc4-mm1 ia64/mm/init.c

[Hiroyuki KAMEZAWA]

David Mosberger wrote:

> > > > > > On Wed, 13 Oct 2004 17:44:10 +0900, Hiroyuki KAMEZAWA <kamezawa.hiroyu@xxxxxxxxxxxxxx> said:
>
>
>   Hiroyuki> My purpose was to reduce # of page fault when
>   Hiroyuki> ia64_pfn_valid() is called.  It is called heavily in
>   Hiroyuki> bad_range() (in mm/page_alloc.c) now.
>
> At the expense of ignoring perfectly good memory?  Or did I miss something?
>
> 	--david

Am I ignoring some good memory ?
I think GRANULEROUNDDOWN(start)/GRANULEROUNDUP(end) only expand valid pfn range,
do I misunderstanding something ?



-- Kame
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