table of contents
other versions
- stretch 4.9.168-1
KFIFO_ALLOC(9) | FIFO Buffer | KFIFO_ALLOC(9) |
NAME¶
kfifo_alloc - dynamically allocates a new fifo bufferSYNOPSIS¶
kfifo_alloc(fifo, size, gfp_mask);
ARGUMENTS¶
fifopointer 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¶
April 2019 | Kernel Hackers Manual 4.9. |