Messages in this thread | | | Date | Fri, 13 Apr 2007 13:36:33 -0700 | From | Jeremy Fitzhardinge <> | Subject | Re: Crash while mapping memory in pagetable_init() (Was: Re: .config) |
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H. Peter Anvin wrote: > I suggest, for clarity and to minimize bloat:
I think it would save a page, at most. But OK. (Also, if you're running !PAE, these pages will actually become part of the init_mm pagetable, so there's no memory wastage at all.)
> #ifdef CONFIG_X86_PAE > # define PAGE_TABLE_SIZE ((2048+4)*4096) > #else > # define PAGE_TABLE_SIZE ((1024+1)*4096)
1024 should be enough; the pgd is still swapper_pg_dir, and there are no pmds.
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