Staging
v0.5.1
https://github.com/torvalds/linux
Revision 0d59a01bc461bbab4017ff449b8401151ef44cf6 authored by Adam Litke on 30 January 2007, 22:35:39 UTC, committed by Linus Torvalds on 31 January 2007, 00:01:35 UTC
When expanding the stack, we don't currently check if the VMA will cross
into an area of the address space that is reserved for hugetlb pages.
Subsequent faults on the expanded portion of such a VMA will confuse the
low-level MMU code, resulting in an OOPS.  Check for this.

Signed-off-by: Adam Litke <agl@us.ibm.com>
Cc: David Gibson <david@gibson.dropbear.id.au>
Cc: William Lee Irwin III <wli@holomorphy.com>
Cc: Hugh Dickins <hugh@veritas.com>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
1 parent bcdddfb
History
Tip revision: 0d59a01bc461bbab4017ff449b8401151ef44cf6 authored by Adam Litke on 30 January 2007, 22:35:39 UTC
[PATCH] Don't allow the stack to grow into hugetlb reserved regions
Tip revision: 0d59a01
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