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-rw-r--r--include/linux/kfifo.h4
-rw-r--r--kernel/kfifo.c2
2 files changed, 3 insertions, 3 deletions
diff --git a/include/linux/kfifo.h b/include/linux/kfifo.h
index c8618243ca5..6f6c5f300af 100644
--- a/include/linux/kfifo.h
+++ b/include/linux/kfifo.h
@@ -67,7 +67,7 @@ struct kfifo {
/**
* DECLARE_KFIFO - macro to declare a kfifo and the associated buffer
* @name: name of the declared kfifo datatype
- * @size: size of the fifo buffer
+ * @size: size of the fifo buffer. Must be a power of two.
*
* Note1: the macro can be used inside struct or union declaration
* Note2: the macro creates two objects:
@@ -91,7 +91,7 @@ union { \
/**
* DEFINE_KFIFO - macro to define and initialize a kfifo
* @name: name of the declared kfifo datatype
- * @size: size of the fifo buffer
+ * @size: size of the fifo buffer. Must be a power of two.
*
* Note1: the macro can be used for global and local kfifo data type variables
* Note2: the macro creates two objects:
diff --git a/kernel/kfifo.c b/kernel/kfifo.c
index 7384f120be8..32c5c15d750 100644
--- a/kernel/kfifo.c
+++ b/kernel/kfifo.c
@@ -41,7 +41,7 @@ static void _kfifo_init(struct kfifo *fifo, void *buffer,
* kfifo_init - initialize a FIFO using a preallocated buffer
* @fifo: the fifo to assign the buffer
* @buffer: the preallocated buffer to be used.
- * @size: the size of the internal buffer, this have to be a power of 2.
+ * @size: the size of the internal buffer, this has to be a power of 2.
*
*/
void kfifo_init(struct kfifo *fifo, void *buffer, unsigned int size)