Merge branch 'master' of https://github.com/PacktPublishing/Learn-Linux-Kernel-Development

kaiwan · kaiwan · commit da910610d1c8 · 2021-01-18T17:32:30.000+05:30
diff --git a/README.md b/README.md
@@ -1,8 +1,3 @@
-## $5 Tech Unlocked 2021!
-[Buy and download this product for only $5 on PacktPub.com](https://www.packtpub.com/)
------
-*The $5 campaign         runs from __December 15th 2020__ to __January 13th 2021.__*
-
 # Learn-Linux-Kernel-Development (LLKD)
 
 'Learn Linux Kernel Development', Kaiwan N Billimoria, Packt Publishing.
diff --git a/ch11/latency_tests/latency_test.sh b/ch11/latency_tests/latency_test.sh
@@ -2,7 +2,8 @@
 # latency_test.sh
 # Originally sourced from OSADL: 
 #  https://www.osadl.org/uploads/media/mklatencyplot.bash
-# Lightly modified for our purposes..
+# Lightly modified for our purposes.. this script is to be run via it's
+# wrapper script runtest.
 #----------------------------------------------------------------------
 # This program is part of the source code released for the book
 #  "Learn Linux Kernel Development"
diff --git a/ch17/2_percpu/percpu_var.c b/ch17/2_percpu/percpu_var.c
@@ -108,8 +108,8 @@ static long set_cpuaffinity(unsigned int cpu)
 	cpumask_clear(&mask);
 	cpumask_set_cpu(cpu, &mask); // 1st param is the CPU number, not bitmask
 	/* !HACK! sched_setaffinity() is NOT exported, we can't call it
-     * sched_setaffinity(0, &mask);  // 0 => on self 
-	 * so we invoke it via func pointer */
+         * sched_setaffinity(0, &mask);  // 0 => on self 
+	 * so we invoke it via it's function pointer */
 	ret = (*ptr_sched_setaffinity)(0, &mask);  // 0 => on self
 
 	return ret;
