From: Paul Mundt <lethal@linux-sh.org>
Date: Mon, 2 Jun 2008 04:48:59 +0000 (+0900)
Subject: sh: Disable 4KSTACKS on nommu.
X-Git-Tag: v2.6.26-rc5~9^2~2
X-Git-Url: http://pilppa.com/gitweb/?a=commitdiff_plain;h=1f8404ea5fd8c408d0a7c12a88091dffb7b6768b;p=linux-2.6-omap-h63xx.git

sh: Disable 4KSTACKS on nommu.

4k stacks on nommu ends up blowing up with all sorts of interesting
slab corruption. Disable this by default unless BROKEN is also
enabled.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---

diff --git a/arch/sh/Kconfig.debug b/arch/sh/Kconfig.debug
index 0d2ef1e9a6f..0f454986022 100644
--- a/arch/sh/Kconfig.debug
+++ b/arch/sh/Kconfig.debug
@@ -81,7 +81,7 @@ config DEBUG_STACK_USAGE
 
 config 4KSTACKS
 	bool "Use 4Kb for kernel stacks instead of 8Kb"
-	depends on DEBUG_KERNEL
+	depends on DEBUG_KERNEL && (MMU || BROKEN)
 	help
 	  If you say Y here the kernel will use a 4Kb stacksize for the
 	  kernel stack attached to each process/thread. This facilitates