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-rw-r--r--arch/ia64/include/asm/ustack.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/ia64/include/asm/ustack.h b/arch/ia64/include/asm/ustack.h
new file mode 100644
index 000000000..b275401b9
--- /dev/null
+++ b/arch/ia64/include/asm/ustack.h
@@ -0,0 +1,11 @@
+#ifndef _ASM_IA64_USTACK_H
+#define _ASM_IA64_USTACK_H
+
+#include <asm/page.h>
+#include <uapi/asm/ustack.h>
+
+/* The absolute hard limit for stack size is 1/2 of the mappable space in the region */
+#define MAX_USER_STACK_SIZE (RGN_MAP_LIMIT/2)
+#define STACK_TOP (0x6000000000000000UL + RGN_MAP_LIMIT)
+#define STACK_TOP_MAX STACK_TOP
+#endif /* _ASM_IA64_USTACK_H */