License fix/Updated README

Author: JohnMalliotakis

README.md

@@ -4,7 +4,7 @@ This library provides an optimized memory-mapped I/O path inside the Linux kerne
 
 ## Prerequisites
 
-FastMap runs on a modified version of Linux 4.14. To build and run this version of FastMap you can clone this kernel with:
+The main branch of FastMap runs on a modified version of Linux 4.14. To build and run this version of FastMap you can clone this kernel with:
 ```bash
 git clone https://github.com/tpapagian/linux-4.14.72-spf.git -b fastmap
 ```
@@ -13,6 +13,9 @@ The modifications are minimal as they contain only some exported symbols and the
 
 After that, you should configure, build, and install this kernel using specific instructions based on your setup.
 
+The no kernel modifications branch consists of a patchset so that FastMap can run on any Linux 4.14 kernel without any modifications being necessary. It should work properly,
+however it has not been tested as thoroughly as the main branch.
+
 ## Building FastMap
 
 In order to build FastMap simply run ```make``` on the top-level directory. This will build the driver (located in the driver directory) and the associated userspace tools (located in the ioctl directory). After that, it will also install the FastMap module and run ```depmod```.

driver/main.c

@@ -1340,4 +1340,4 @@ module_init(raw_init);
 module_exit(raw_exit);
 
 MODULE_AUTHOR("Anastasios Papagiannis <[email protected]>");
-MODULE_LICENSE("LGPL-2.1");
+MODULE_LICENSE("GPL");