x86: add boundary check for 32bit res before expand e820 resource to alignment

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fix hang with HIGHMEM_64G and 32bit resource.  According to hpa and
Linus, use (resource_size_t)-1 to fend off big ranges.

Analyzed by hpa

Reported-and-tested-by: Mikael Pettersson <mikpe@it.uu.se>
Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

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Yinghai Lu 2009-07-01 12:32:18 -07:00 • committed by Linus Torvalds

parent 43644679a1

commit 7c5371c403

1 changed files with 10 additions and 6 deletions

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arch/x86/kernel/e820.c

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