From: Ingo Molnar <mingo@elte.hu>
Date: Mon, 27 Mar 2006 09:16:06 +0000 (-0800)
Subject: [PATCH] ia64: add ptr_to_compat()
X-Git-Tag: v2.6.17-rc1~387
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=66e863acd7f2fb02fef709d5f0ab069445d4a58c;p=profile%2Fivi%2Fkernel-x86-ivi.git

[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>
---

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)
 {