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From: Thomas Gleixner <tglx@linutronix.de>
Date: Mon, 18 Jul 2011 17:08:34 +0200
Subject: [PATCH 050/353] powerpc: Disable highmem on RT
Origin: https://git.kernel.org/cgit/linux/kernel/git/rt/linux-stable-rt.git/commit?id=881dee687f9b7382c752cad0833c67629c3e88fb
The current highmem handling on -RT is not compatible and needs fixups.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
arch/powerpc/Kconfig | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index d6aae022d8c3..f4517f4be192 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -400,7 +400,7 @@ menu "Kernel options"
config HIGHMEM
bool "High memory support"
- depends on PPC32
+ depends on PPC32 && !PREEMPT_RT_FULL
source kernel/Kconfig.hz
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