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-rw-r--r--arch/s390/include/asm/processor.h9
1 files changed, 5 insertions, 4 deletions
diff --git a/arch/s390/include/asm/processor.h b/arch/s390/include/asm/processor.h
index cc101f9371cb..60d395fdc864 100644
--- a/arch/s390/include/asm/processor.h
+++ b/arch/s390/include/asm/processor.h
@@ -91,14 +91,15 @@ extern void execve_tail(void);
* User space process size: 2GB for 31 bit, 4TB or 8PT for 64 bit.
*/
-#define TASK_SIZE_OF(tsk) ((tsk)->mm ? \
- (tsk)->mm->context.asce_limit : TASK_MAX_SIZE)
+#define TASK_SIZE_OF(tsk) (test_tsk_thread_flag(tsk, TIF_31BIT) ? \
+ (1UL << 31) : (1UL << 53))
#define TASK_UNMAPPED_BASE (test_thread_flag(TIF_31BIT) ? \
(1UL << 30) : (1UL << 41))
#define TASK_SIZE TASK_SIZE_OF(current)
-#define TASK_MAX_SIZE (1UL << 53)
+#define TASK_SIZE_MAX (1UL << 53)
-#define STACK_TOP (1UL << (test_thread_flag(TIF_31BIT) ? 31:42))
+#define STACK_TOP (test_thread_flag(TIF_31BIT) ? \
+ (1UL << 31) : (1UL << 42))
#define STACK_TOP_MAX (1UL << 42)
#define HAVE_ARCH_PICK_MMAP_LAYOUT

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