Re: [PATCH bpf-next v2 0/3] xdpsock: allow mmap2 usage for 32bits

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On 8/15/19 2:13 PM, Ivan Khoronzhuk wrote:
This patchset contains several improvements for af_xdp socket umem
mappings for 32bit systems. Also, there is one more patch outside of
this series that on linux-next 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

Prev: https://lkml.org/lkml/2019/8/13/437

v2..v1:
	- replaced "libbpf: add asm/unistd.h to xsk to get __NR_mmap2" on
	 "libbpf: use LFS (_FILE_OFFSET_BITS) instead of direct mmap2
	 syscall"
	- use vmap along with page_address to avoid overkill
	- define mmap syscall trace5 for mmap if defined

Ivan Khoronzhuk (3):
   libbpf: use LFS (_FILE_OFFSET_BITS) instead of direct mmap2 syscall
   xdp: xdp_umem: replace kmap on vmap for umem map
   samples: bpf: syscal_nrs: use mmap2 if defined

  net/xdp/xdp_umem.c         | 36 +++++++++++++++++++++++-----
  samples/bpf/syscall_nrs.c  |  6 +++++
  samples/bpf/tracex5_kern.c | 13 ++++++++++
  tools/lib/bpf/Makefile     |  1 +
  tools/lib/bpf/xsk.c        | 49 +++++++++++---------------------------
  5 files changed, 64 insertions(+), 41 deletions(-)


Applied, and fixed up typo in last one's subject, thanks!



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