fs/file.c: don't open-code kvfree()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

fs/file.c

@@ -44,15 +44,10 @@ static void *alloc_fdmem(size_t size)
 	return vmalloc(size);
 }
 
-static void free_fdmem(void *ptr)
-{
-	is_vmalloc_addr(ptr) ? vfree(ptr) : kfree(ptr);
-}
-
 static void __free_fdtable(struct fdtable *fdt)
 {
-	free_fdmem(fdt->fd);
-	free_fdmem(fdt->open_fds);
+	kvfree(fdt->fd);
+	kvfree(fdt->open_fds);
 	kfree(fdt);
 }
 
@@ -130,7 +125,7 @@ static struct fdtable * alloc_fdtable(unsigned int nr)
 	return fdt;
 
 out_arr:
-	free_fdmem(fdt->fd);
+	kvfree(fdt->fd);
 out_fdt:
 	kfree(fdt);
 out: