From: Helge Deller <deller@gmx.de>
Date: Mon, 19 Jun 2017 15:34:05 +0000 (+0200)
Subject: Allow stack to grow up to address space limit
X-Git-Tag: v3.2.90~4
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a7d519473a32267e52f1f92141240451e5403dd3;p=pandora-kernel.git

Allow stack to grow up to address space limit

commit bd726c90b6b8ce87602208701b208a208e6d5600 upstream.

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>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---

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