mem_map symbol will not be defined for CONFIG_DISCONTIGMEM.
Probably the following code should use to make it generic:
pg_data_t *pgdat;
for_each_pgdat(pgdat) {
ulong start = pgdat->node_start_pfn;
ulong end = pgdat->node_start_pfn + pgdat->node_spanned_pages;
for (i=start; i < end; i++) {
struct page *pg = pfn_to_page(i);
...
...
...
}
}
Sent by: kdb-bounce@xxxxxxxxxxx
To: Keith Owens <kaos@xxxxxxx>
cc: linas@xxxxxxxxxxxxxx, Olaf Hering <olh@xxxxxxx>, kdb@xxxxxxxxxxx, Anton
Blanchard <anton@xxxxxxxxx>, linuxppc64-dev@xxxxxxxxxxxxxxxxxx
Subject: Re: PATCH for displaying pages [was: Re: PATCH: [olh@xxxxxxx:
kdb and
softirqs]]
On Wed, Mar 24, 2004 at 08:39:05AM +1100, Keith Owens wrote:
> >It certainly does not work on DISCONTIG systems. It should work on all
> >machines without discontig, maybe except for the very strange virtual
mem
> >map hack that can be optinionall be used on ia64.
> >
> >Was your ia64 an Altix or some whitebox?
>
> From a dim, distant memory, it was an Altix.
Ok. I think a !defined(CONFIG_DISCONTIGMEM) &&
!defined(CONFIG_VIRTUAL_MEM_MAP)
should put you on the safe side.
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