centos man page for __skb_alloc_page

__SKB_ALLOC_PAGE(9)						 Linux Networking					       __SKB_ALLOC_PAGE(9)

NAME
       __skb_alloc_page - allocate a page for ps-rx for a given skb and preserve pfmemalloc data

SYNOPSIS
       struct page * __skb_alloc_page(gfp_t gfp_mask, struct sk_buff * skb);

ARGUMENTS
       gfp_mask
	   alloc_pages_node mask. Set __GFP_NOMEMALLOC if not for network packet RX

       skb
	   skb to set pfmemalloc on if __GFP_MEMALLOC is used

DESCRIPTION
       Allocate a new page.

       NULL is returned if there is no free memory.

COPYRIGHT
Kernel Hackers Manual 3.10					     June 2014						       __SKB_ALLOC_PAGE(9)