ZEROCOPY_SG_FROM_ITE(9)                  Linux Networking                 ZEROCOPY_SG_FROM_ITE(9)



NAME
       zerocopy_sg_from_iter - Build a zerocopy datagram from an iov_iter

SYNOPSIS
       int zerocopy_sg_from_iter(struct sk_buff * skb, struct iov_iter * from);

ARGUMENTS
       skb
           buffer to copy

       from
           the source to copy from

DESCRIPTION
       The function will first copy up to headlen, and then pin the userspace pages and build
       frags through them.

       Returns 0, -EFAULT or -EMSGSIZE.

COPYRIGHT
Kernel Hackers Manual 4.8.                 January 2017                   ZEROCOPY_SG_FROM_ITE(9)