tree 4108143f648b9f0bffed509c0afffbe933036f2b
parent f4cb767d76cf7ee72f97dd76f6cfa6c76a5edc89
author Helge Deller <deller@gmx.de> 1497886445 +0200
committer Linus Torvalds <torvalds@linux-foundation.org> 1498068438 -0700

Allow stack to grow up to address space limit

Fix expand_upwards() on architectures with an upward-growing stack (parisc,
metag and partly IA-64) to allow the stack to reliably grow exactly up to
the address space limit given by TASK_SIZE.

Signed-off-by: Helge Deller <deller@gmx.de>
Acked-by: Hugh Dickins <hughd@google.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>