table of contents
| KFIFO_INIT(9) | FIFO Buffer | KFIFO_INIT(9) |
NAME¶
kfifo_init - allocates a new FIFO using a preallocated buffer
SYNOPSIS¶
struct kfifo * kfifo_init(unsigned char * buffer, unsigned int size, gfp_t gfp_mask, spinlock_t * lock);
ARGUMENTS¶
buffer
the preallocated buffer to be used.
size
the size of the internal buffer, this have to be a power
of 2.
gfp_mask
get_free_pages mask, passed to kmalloc
lock
the lock to be used to protect the fifo buffer
DESCRIPTION¶
Do NOT pass the kfifo to kfifo_free after use! Simply free the struct kfifo with kfree.
COPYRIGHT¶
| April 2023 | Kernel Hackers Manual 2.6. |