Jeremy Fitzhardinge wrote:
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.)
Even with PSE?
However, the main reason I wanted it done that way is to avoid cargo
cult programming; this makes it much clearer where the numbers actually
come from.
#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.
Check.
-hpa
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