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KFIFO_INIT(9) FIFO Buffer KFIFO_INIT(9)

NAME

kfifo_init - initialize a fifo using a preallocated buffer

SYNOPSIS

kfifo_init(fifo, buffer, size);

ARGUMENTS

fifo
the fifo to assign the buffer

buffer

the preallocated buffer to be used

size

the size of the internal buffer, this have to be a power of 2

DESCRIPTION

This macro initialize a fifo using a preallocated buffer.

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

COPYRIGHT

April 2019 Kernel Hackers Manual 4.9.