kfifo_alloc — dynamically allocates a new fifo buffer
kfifo_alloc ( | fifo, |
| size, | |
gfp_mask); |
fifopointer to the fifo
sizethe number of elements in the fifo, this must be a power of 2
gfp_mask
get_free_pages mask, passed to kmalloc
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.