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-rw-r--r--include/asm-ia64/ustack.h16
1 files changed, 16 insertions, 0 deletions
diff --git a/include/asm-ia64/ustack.h b/include/asm-ia64/ustack.h
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index 000000000000..da55c91246e3
--- /dev/null
+++ b/include/asm-ia64/ustack.h
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+#ifndef _ASM_IA64_USTACK_H
+#define _ASM_IA64_USTACK_H
+
+/*
+ * Constants for the user stack size
+ */
+
+#include <asm/page.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)
+/* Make a default stack size of 2GB */
+#define DEFAULT_USER_STACK_SIZE (1UL << 31)
+#define STACK_TOP (0x6000000000000000UL + RGN_MAP_LIMIT)
+
+#endif /* _ASM_IA64_USTACK_H */