Messages in this thread | | | Date | Wed, 8 Jan 2003 14:05:33 -0800 | From | William Lee Irwin III <> | Subject | Re: [RFC][PATCH] allow bigger PAGE_OFFSET with PAE |
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On Tue, Jan 07, 2003 at 12:06:38PM -0800, Dave Hansen wrote: >>> Also, this gets the kernel's pagetables right, but neglects >>> userspace's for now. pgd_alloc() needs to be fixed to allocate >>> another PMD, if the split isn't PMD-alighed.
William Lee Irwin III wrote: >> Um, that should be automatic when USER_PTRS_PER_PGD is increased.
On Wed, Jan 08, 2003 at 01:04:23PM -0800, Dave Hansen wrote: > Nope, you need a little bit more. pgd_alloc() relies on its memcpy() > to provide the kernel mappings. After the last user PMD is allocated, > you still need to copy the kernel-shared part of it in.
See the bit about rounding up. Then again, the pmd entries don't get filled in by any of that...
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