NAME
__dev_alloc_pages - allocate page for network Rx
SYNOPSIS
struct page * __dev_alloc_pages(gfp_t gfp_mask, unsigned int order);
ARGUMENTS
gfp_mask
allocation priority. Set __GFP_NOMEMALLOC if not for network Rx
order
size of the allocation
DESCRIPTION
Allocate a new page.
NULL is returned if there is no free memory.