Messages in this thread | | | Date | Wed, 08 Jan 2003 13:04:23 -0800 | From | Dave Hansen <> | Subject | Re: [RFC][PATCH] allow bigger PAGE_OFFSET with PAE |
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William Lee Irwin III wrote: > 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. > > Um, that should be automatic when USER_PTRS_PER_PGD is increased.
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.
-- Dave Hansen haveblue@us.ibm.com
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