KFIFO_ALLOC

Section: FIFO Buffer (9)
Updated: February 2011
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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.  

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