[PATCH] uml: move libc code out of mem_user.c and tempfile.c

The serial UML OS-abstraction layer patch (um/kernel dir).

This moves all system calls from mem_user.c and tempfile.c files under
os-Linux dir.

Signed-off-by: Gennady Sharapov <Gennady.V.Sharapov@intel.com>
Signed-off-by: Jeff Dike <jdike@addtoit.com>
Cc: Paolo Giarrusso <blaisorblade@yahoo.it>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/arch/um/os-Linux/tt.c b/arch/um/os-Linux/tt.c
index 5b047ab..a6db887 100644
--- a/arch/um/os-Linux/tt.c
+++ b/arch/um/os-Linux/tt.c
@@ -36,6 +36,20 @@
 #include "mode.h"
 #include "tempfile.h"
 
+int protect_memory(unsigned long addr, unsigned long len, int r, int w, int x,
+		   int must_succeed)
+{
+	int err;
+
+	err = os_protect_memory((void *) addr, len, r, w, x);
+	if(err < 0){
+                if(must_succeed)
+			panic("protect failed, err = %d", -err);
+		else return(err);
+	}
+	return(0);
+}
+
 /*
  *-------------------------
  * only for tt mode (will be deleted in future...)