From: Ingo Molnar <mingo@elte.hu>

Add ptr_to_compat() to ia64 - needed by the robust-futex code.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Cc: "Luck, Tony" <tony.luck@intel.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
---

 include/asm-ia64/compat.h |    6 ++++++
 1 files changed, 6 insertions(+)

diff -puN include/asm-ia64/compat.h~ia64-add-ptr-to-compatpatch include/asm-ia64/compat.h
--- devel/include/asm-ia64/compat.h~ia64-add-ptr-to-compatpatch	2006-02-21 17:00:33.000000000 -0800
+++ devel-akpm/include/asm-ia64/compat.h	2006-02-21 17:00:33.000000000 -0800
@@ -189,6 +189,12 @@ compat_ptr (compat_uptr_t uptr)
 	return (void __user *) (unsigned long) uptr;
 }
 
+static inline compat_uptr_t
+ptr_to_compat(void __user *uptr)
+{
+	return (u32)(unsigned long)uptr;
+}
+
 static __inline__ void __user *
 compat_alloc_user_space (long len)
 {
_