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authorIngo Molnar <mingo@elte.hu>2008-08-14 12:19:59 +0200
committerIngo Molnar <mingo@elte.hu>2008-08-14 12:19:59 +0200
commit8d7ccaa545490cdffdfaff0842436a8dd85cf47b (patch)
tree8129b5907161bc6ae26deb3645ce1e280c5e1f51 /arch/ia64/include/asm/ustack.h
parentb2139aa0eec330c711c5a279db361e5ef1178e78 (diff)
parent30a2f3c60a84092c8084dfe788b710f8d0768cd4 (diff)
Merge commit 'v2.6.27-rc3' into x86/prototypes
Conflicts: include/asm-x86/dma-mapping.h Signed-off-by: Ingo Molnar <mingo@elte.hu>
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 00000000000..504167c35b8
--- /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 */