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-rw-r--r--arch/s390/boot/head.S2
-rw-r--r--arch/s390/include/asm/thread_info.h1
2 files changed, 2 insertions, 1 deletions
diff --git a/arch/s390/boot/head.S b/arch/s390/boot/head.S
index e209cfe69bb9..ce2cbbc41742 100644
--- a/arch/s390/boot/head.S
+++ b/arch/s390/boot/head.S
@@ -315,7 +315,7 @@ ENTRY(startup_kdump)
brasl %r14,startup_kernel
.Lstack:
- .long 0x8000 + THREAD_SIZE - STACK_FRAME_OVERHEAD
+ .long 0x8000 + (1<<(PAGE_SHIFT+BOOT_STACK_ORDER)) - STACK_FRAME_OVERHEAD
.align 8
6: .long 0x7fffffff,0xffffffff
diff --git a/arch/s390/include/asm/thread_info.h b/arch/s390/include/asm/thread_info.h
index 79b40600f523..27248f42a03c 100644
--- a/arch/s390/include/asm/thread_info.h
+++ b/arch/s390/include/asm/thread_info.h
@@ -18,6 +18,7 @@
#else
#define THREAD_SIZE_ORDER 2
#endif
+#define BOOT_STACK_ORDER 2
#define THREAD_SIZE (PAGE_SIZE << THREAD_SIZE_ORDER)
#ifndef __ASSEMBLY__