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.