Commit 733ef7f0 authored Sep 18, 2019 by Björn Töpel Committed by Daniel Borkmann Sep 19, 2019

xsk: relax UMEM headroom alignment



This patch removes the 64B alignment of the UMEM headroom. There is
really no reason for it, and having a headroom less than 64B should be
valid.

Fixes: c0c77d8f ("xsk: add user memory registration support sockopt")
Signed-off-by: Björn Töpel <bjorn.topel@intel.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>

parent a0791f0d

net/xdp/xdp_umem.c

+0 −2

Original line number	Diff line number	Diff line
		@@ -383,8 +383,6 @@ static int xdp_umem_reg(struct xdp_umem umem, struct xdp_umem_reg mr)
		return -EINVAL;
		}

		headroom = ALIGN(headroom, 64);

		size_chk = chunk_size - headroom - XDP_PACKET_HEADROOM;
		if (size_chk < 0)
		return -EINVAL;

Admin message