This patchset contains several improvements for af_xdp socket umem mappings for 32bit systems. Also, there is one more patch outside of othis series that can be applied to another tree and related to mmap2 af_xdp umem offsets: "mm: mmap: increase sockets maximum memory size pgoff for 32bits" https://lkml.org/lkml/2019/8/12/549 Based on bpf-next/master Ivan Khoronzhuk (3): libbpf: add asm/unistd.h to xsk to get __NR_mmap2 xdp: xdp_umem: replace kmap on vmap for umem map samples: bpf: syscal_nrs: use mmap2 if defined net/xdp/xdp_umem.c | 16 ++++++++++++---- samples/bpf/syscall_nrs.c | 5 +++++ samples/bpf/tracex5_kern.c | 11 +++++++++++ tools/lib/bpf/xsk.c | 1 + 4 files changed, 29 insertions(+), 4 deletions(-) -- 2.17.1
