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Subject[patch 08/10] Fix IPL from NSS.
From: Heiko Carstens <>

IPL from NSS didn't work because the memory detection routine omits any
memory sections with a size lower than what MAX_ORDER defines.
This causes the detection routine to skip the first memory segment which
has a size of 1MB. Which later on will let the kernel think that there
is no memory available at all.
Since in addition the z/VM memory increment size is 1MB force MAX_ORDER
to be 9, so we can support 1MB segments.

Signed-off-by: Heiko Carstens <>
Signed-off-by: Martin Schwidefsky <>

arch/s390/Kconfig | 4 ++++
1 file changed, 4 insertions(+)

Index: quilt-2.6/arch/s390/Kconfig
--- quilt-2.6.orig/arch/s390/Kconfig
+++ quilt-2.6/arch/s390/Kconfig
@@ -351,6 +351,10 @@ endchoice

source "fs/Kconfig.binfmt"

+ int
+ default "9"
bool "Show crashed user process info"
blue skies,

"Reality continues to ruin my life." - Calvin.

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