XSK_NEXT_PG_CONTIG_SHIFT   24 include/net/xdp_sock.h #define XSK_NEXT_PG_CONTIG_MASK (1ULL << XSK_NEXT_PG_CONTIG_SHIFT)
XSK_NEXT_PG_CONTIG_SHIFT  606 net/xdp/xsk.c  		pgs[i].addr += is_contig << XSK_NEXT_PG_CONTIG_SHIFT;