Provided by:
kernel-doc-2.4.27_2.4.27-12_all 
NAME
pci_pool_alloc - get a block of consistent memory
SYNOPSIS
void * pci_pool_alloc (struct pci_pool *pool, int mem_flags, dma_addr_t
*handle);
ARGUMENTS
pool pci pool that will produce the block
mem_flags SLAB_KERNEL or SLAB_ATOMIC
handle pointer to dma address of block
DESCRIPTION
This returns the kernel virtual address of a currently unused block,
and reports its dma address through the handle. If such a memory block
can’t be allocated, null is returned.