Message ID | 20190918075739.19451-1-bjorn.topel@gmail.com |
---|---|
State | Accepted |
Delegated to: | BPF Maintainers |
Headers | show |
Series | [bpf] xsk: relax UMEM headroom alignment | expand |
On Wed, Sep 18, 2019 at 09:57:39AM +0200, Björn Töpel wrote: > From: Björn Töpel <bjorn.topel@intel.com> > > 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@intel.com> Applied, thanks!
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;