Allow stack to grow up to address space limit
authorHelge Deller <deller@gmx.de>
Mon, 19 Jun 2017 15:34:05 +0000 (17:34 +0200)
committerLinus Torvalds <torvalds@linux-foundation.org>
Wed, 21 Jun 2017 18:07:18 +0000 (11:07 -0700)
commitbd726c90b6b8ce87602208701b208a208e6d5600
tree4108143f648b9f0bffed509c0afffbe933036f2b
parentf4cb767d76cf7ee72f97dd76f6cfa6c76a5edc89
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>
mm/mmap.c