Hello all,
> -----Original Message-----
> From: Aguirre Rodriguez, Sergio Alberto
> Sent: Wednesday, September 09, 2009 7:35 AM
> To: Russell King - ARM Linux; Rabin Vincent
> Cc: Syed Mohammed, Khasim; linux-arm-kernel@xxxxxxxxxxxxxxxxxxxxxx; linux-
> omap@xxxxxxxxxxxxxxx
> Subject: RE: Exception while handling MEM Hole on OMAP3 / ARM Cortex A8
>
> From: Russell King - ARM Linux [linux@xxxxxxxxxxxxxxxx]
> Sent: Tuesday, September 08, 2009 11:23 PM
> > >
> > > Acks and tested-bys would be useful please.
> >
> > Haven't heard anything, so I've committed it as is. It is my intention
> > to push it to Linus as is in the next couple of days.
>
> Russell,
>
> I don't have ways of testing this, but I think Khasim's testing will make
> more sense,
> since he reported the bug... anyways, it's probably too late.
>
I am really sorry, wanted to try this out when RMK returns from vacation meanwhile forgot :(
The below logic from Rabin works great !!! no issues with this as well.
File arch/arm/mm/init.c
int pfn_valid(unsigned long pfn)
{
struct meminfo *mi = &meminfo;
unsigned int left = 0, right = mi->nr_banks;
while (left < right) {
unsigned int mid = (left + right) / 2;
struct membank *bank = &mi->bank[mid];
if (pfn < bank_pfn_start(bank))
right = mid;
else if (pfn >= bank_pfn_end(bank))
left = mid + 1;
else
return 1;
}
return 0;
}
Thanks for all the help.
Regards,
Khasim
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