From 66e863acd7f2fb02fef709d5f0ab069445d4a58c Mon Sep 17 00:00:00 2001
From: Ingo Molnar <mingo@elte.hu>
Date: Mon, 27 Mar 2006 01:16:06 -0800
Subject: [PATCH] ia64: add ptr_to_compat()

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>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---
 include/asm-ia64/compat.h | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/include/asm-ia64/compat.h b/include/asm-ia64/compat.h
index c0b1910..40d01d8 100644
--- a/include/asm-ia64/compat.h
+++ b/include/asm-ia64/compat.h
@@ -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)
 {
-- 
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