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Tony Luck
authored
commit 8ca3eb08 upstream. pa-risc and ia64 have stacks that grow upwards. Check that they do not run into other mappings. By making VM_GROWSUP 0x0 on architectures that do not ever use it, we can avoid some unpleasant #ifdefs in check_stack_guard_page(). Signed-off-by:Tony Luck <tony.luck@intel.com> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org> Cc: dann frazier <dannf@debian.org> Signed-off-by:
Greg Kroah-Hartman <gregkh@suse.de>
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