Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / arch / um / kernel / syscall.c

diff --git a/kernel/arch/um/kernel/syscall.c b/kernel/arch/um/kernel/syscall.c
new file mode 100644 (file)
index 0000000..c1d0ae0
--- /dev/null
+++ b/kernel/arch/um/kernel/syscall.c
@@ -0,0 +1,28 @@
+/*
+ * Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
+ * Licensed under the GPL
+ */
+
+#include <linux/file.h>
+#include <linux/fs.h>
+#include <linux/mm.h>
+#include <linux/sched.h>
+#include <linux/utsname.h>
+#include <linux/syscalls.h>
+#include <asm/current.h>
+#include <asm/mman.h>
+#include <asm/uaccess.h>
+#include <asm/unistd.h>
+
+long old_mmap(unsigned long addr, unsigned long len,
+             unsigned long prot, unsigned long flags,
+             unsigned long fd, unsigned long offset)
+{
+       long err = -EINVAL;
+       if (offset & ~PAGE_MASK)
+               goto out;
+
+       err = sys_mmap_pgoff(addr, len, prot, flags, fd, offset >> PAGE_SHIFT);
+ out:
+       return err;
+}