Re: Panic on 2.6.0-test1-mm1

From: William Lee Irwin III (wli@holomorphy.com)
Date: Thu Jul 31 2003 - 20:02:16 EST


At some point in the past, I wrote:
>> pgd_dtor() will never be called on PAE due to the above code (thanks to
>> the PTRS_PER_PMD check), _unless_ mingo's patch is applied (which backs
>> out the PTRS_PER_PMD check).

On Thu, Jul 31, 2003 at 05:57:49PM -0700, Martin J. Bligh wrote:
> OK, might have made a mistake ... I can rerun it if you want, but the
> latest kernel seems to work now.

There was a spinlock acquisition in there, too, so if you're seeing
weird performance effects in an update (not sure if there are any yet),
generating a patch to skip that, the list op, and not install pgd_dtor()
when PTRS_PER_PMD == 1 is in order.

-- wli
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