x86: make max_pfn cover acpi table below 4g

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When system have 4g less ram installed, and acpi table sit
near end of ram, make max_pfn cover them too,
so 64bit kernel don't need to mess up fixmap.

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Cc: "Suresh Siddha" <suresh.b.siddha@intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

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Yinghai Lu 2008-07-08 18:56:38 -07:00 • committed by Ingo Molnar

parent 49c980df55

commit 2dc807b37b

3 changed files with 16 additions and 17 deletions

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18

arch/x86/kernel/e820.c

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13

arch/x86/kernel/setup.c

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2

include/asm-x86/e820.h

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