[S390] nss: Free unused memory in kernel image.

With CONFIG_SHARED_KERNEL the kernel text segment that might be in a
read only memory sections starts at 1MB. Memory between 0x12000 and
0x100000 is unused then. Free this, so we have appr. an extra MB
of memory available.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

1 files changed, 2 insertions, 14 deletions

diff --git a/arch/s390/kernel/head64.S b/arch/s390/kernel/head64.S
index b8fec4e5c5d4..af09e18cc5d0 100644
--- a/arch/s390/kernel/head64.S
+++ b/arch/s390/kernel/head64.S
@@ -154,21 +154,9 @@ startup_continue:
 .Lparmaddr:
         .quad   PARMAREA
 
-        .globl  ipl_schib
-ipl_schib:
-        .rept 13
-        .long 0
-        .endr
-
-        .globl  ipl_flags
-ipl_flags:
-        .long   0
-        .globl  ipl_devno
-ipl_devno:
-        .word 0
-
         .org    0x12000
-
+        .globl  _ehead
+_ehead:
 #ifdef CONFIG_SHARED_KERNEL
         .org    0x100000
 #endif