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Diffstat (limited to 'arch/s390/include/asm/processor.h')
-rw-r--r--arch/s390/include/asm/processor.h12
1 files changed, 3 insertions, 9 deletions
diff --git a/arch/s390/include/asm/processor.h b/arch/s390/include/asm/processor.h
index ead1ebc9c61e..e8e9e6baebdd 100644
--- a/arch/s390/include/asm/processor.h
+++ b/arch/s390/include/asm/processor.h
@@ -119,18 +119,12 @@ extern void execve_tail(void);
unsigned long vdso_text_size(void);
unsigned long vdso_size(void);
-/*
- * User space process size: 2GB for 31 bit, 4TB or 8PT for 64 bit.
- */
-
-#define TASK_SIZE (test_thread_flag(TIF_31BIT) ? \
- _REGION3_SIZE : TASK_SIZE_MAX)
-#define TASK_UNMAPPED_BASE (test_thread_flag(TIF_31BIT) ? \
- (_REGION3_SIZE >> 1) : (_REGION2_SIZE >> 1))
+#define TASK_SIZE (TASK_SIZE_MAX)
+#define TASK_UNMAPPED_BASE (_REGION2_SIZE >> 1)
#define TASK_SIZE_MAX (-PAGE_SIZE)
#define VDSO_BASE (STACK_TOP + PAGE_SIZE)
-#define VDSO_LIMIT (test_thread_flag(TIF_31BIT) ? _REGION3_SIZE : _REGION2_SIZE)
+#define VDSO_LIMIT (_REGION2_SIZE)
#define STACK_TOP (VDSO_LIMIT - vdso_size() - PAGE_SIZE)
#define STACK_TOP_MAX (_REGION2_SIZE - vdso_size() - PAGE_SIZE)