centos man page for kfifo_alloc

KFIFO_ALLOC(9)							    FIFO Buffer 						    KFIFO_ALLOC(9)

NAME
       kfifo_alloc - dynamically allocates a new fifo buffer

SYNOPSIS
       kfifo_alloc(fifo, size, gfp_mask);

ARGUMENTS
       fifo
	   pointer to the fifo

       size
	   the number of elements in the fifo, this must be a power of 2

       gfp_mask
	   get_free_pages mask, passed to kmalloc

DESCRIPTION
       This macro dynamically allocates a new fifo buffer.

       The numer of elements will be rounded-up to a power of 2. The fifo will be release with kfifo_free. Return 0 if no error, otherwise an
       error code.

COPYRIGHT
Kernel Hackers Manual 3.10					     June 2014							    KFIFO_ALLOC(9)