From: Björn Töpel <bjorn.topel@xxxxxxxxx>
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: c0c77d8fb787 ("xsk: add user memory registration support sockopt")
Signed-off-by: Björn Töpel <bjorn.topel@xxxxxxxxx>
---
net/xdp/xdp_umem.c | 2 --
1 file changed, 2 deletions(-)
diff --git a/net/xdp/xdp_umem.c b/net/xdp/xdp_umem.c
index 688aac7a6943..0e81a7fd2df7 100644
--- a/net/xdp/xdp_umem.c
+++ b/net/xdp/xdp_umem.c
@@ -335,8 +335,6 @@ static int xdp_umem_reg(struct xdp_umem *umem, struct xdp_umem_reg *mr)
if (chunks < chunks_per_page || chunks % chunks_per_page)
return -EINVAL;
- headroom = ALIGN(headroom, 64);
-
size_chk = chunk_size - headroom - XDP_PACKET_HEADROOM;
if (size_chk < 0)
return -EINVAL;
--
2.20.1
