x86: fix 1:1 mapping init on 64-bit (memory hotplug case)

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While I don't have a hotplug capable system at hand, I think two issues need
fixing:

- pud_phys (in kernel_physical_ampping_init()) would remain uninitialized in
  the after_bootmem case

- the locking done just around phys_pmd_{init,update}() would leave out pgd
  updates, and it was needlessly covering code portions that do allocations
  (perhaps using a more friendly gfp value in alloc_low_page() would then be
  possible)

Signed-off-by: Jan Beulich <jbeulich@novell.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

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Jan Beulich 2008-08-21 14:27:22 +01:00 • committed by Ingo Molnar

parent 38cc1c3df7

commit 8ae3a5a8df

1 changed files with 18 additions and 14 deletions

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arch/x86/mm/init_64.c

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