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-rw-r--r--arch/s390/kernel/head64.S6
1 files changed, 2 insertions, 4 deletions
diff --git a/arch/s390/kernel/head64.S b/arch/s390/kernel/head64.S
index 6d14ad42ba88..57bba24b1c27 100644
--- a/arch/s390/kernel/head64.S
+++ b/arch/s390/kernel/head64.S
@@ -14,6 +14,7 @@
#include <asm/asm-offsets.h>
#include <asm/thread_info.h>
#include <asm/page.h>
+#include <asm/ptrace.h>
__HEAD
ENTRY(startup_continue)
@@ -35,10 +36,7 @@ ENTRY(startup_continue)
#
larl %r14,init_task
stg %r14,__LC_CURRENT
- larl %r15,init_thread_union
- aghi %r15,1<<(PAGE_SHIFT+THREAD_SIZE_ORDER) # init_task_union + THREAD_SIZE
- stg %r15,__LC_KERNEL_STACK # set end of kernel stack
- aghi %r15,-160
+ larl %r15,init_thread_union+THREAD_SIZE-STACK_FRAME_OVERHEAD
#
# Early setup functions that may not rely on an initialized bss section,
# like moving the initrd. Returns with an initialized bss section.