patch-2.4.21 linux-2.4.21/arch/ia64/kernel/sys_ia64.c

• Lines: 30
• Date: 2003-06-13 07:51:29.000000000 -0700
• Orig file: linux-2.4.20/arch/ia64/kernel/sys_ia64.c
• Orig date: 2002-11-28 15:53:09.000000000 -0800

diff -urN linux-2.4.20/arch/ia64/kernel/sys_ia64.c linux-2.4.21/arch/ia64/kernel/sys_ia64.c
@@ -253,6 +253,29 @@
 	return addr;
 }
 
+asmlinkage unsigned long
+ia64_mremap (unsigned long addr, unsigned long old_len, unsigned long new_len, unsigned long flags,
+	     unsigned long new_addr)
+{
+	extern unsigned long do_mremap (unsigned long addr,
+					unsigned long old_len,
+					unsigned long new_len,
+					unsigned long flags,
+					unsigned long new_addr);
+
+	down_write(&current->mm->mmap_sem);
+	{
+		addr = do_mremap(addr, old_len, new_len, flags, new_addr);
+	}
+	up_write(&current->mm->mmap_sem);
+
+	if (IS_ERR((void *) addr))
+		return addr;
+
+	force_successful_syscall_return();
+	return addr;
+}
+
 asmlinkage long
 sys_vm86 (long arg0, long arg1, long arg2, long arg3)
 {