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authorSrikant Patnaik2015-01-11 12:28:04 +0530
committerSrikant Patnaik2015-01-11 12:28:04 +0530
commit871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch)
tree8718f573808810c2a1e8cb8fb6ac469093ca2784 /arch/ia64/include/asm/ustack.h
parent9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff)
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Moved, renamed, and deleted files
The original directory structure was scattered and unorganized. Changes are basically to make it look like kernel structure.
Diffstat (limited to 'arch/ia64/include/asm/ustack.h')
-rw-r--r--arch/ia64/include/asm/ustack.h20
1 files changed, 20 insertions, 0 deletions
diff --git a/arch/ia64/include/asm/ustack.h b/arch/ia64/include/asm/ustack.h
new file mode 100644
index 00000000..504167c3
--- /dev/null
+++ b/arch/ia64/include/asm/ustack.h
@@ -0,0 +1,20 @@
+#ifndef _ASM_IA64_USTACK_H
+#define _ASM_IA64_USTACK_H
+
+/*
+ * Constants for the user stack size
+ */
+
+#ifdef __KERNEL__
+#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)
+#define STACK_TOP (0x6000000000000000UL + RGN_MAP_LIMIT)
+#define STACK_TOP_MAX STACK_TOP
+#endif
+
+/* Make a default stack size of 2GiB */
+#define DEFAULT_USER_STACK_SIZE (1UL << 31)
+
+#endif /* _ASM_IA64_USTACK_H */