Re: Crash while mapping memory in pagetable_init() (Was: Re: .config)

Jeremy Fitzhardinge
2007-04-13T20:37:13Z

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.

J