From: John Fastabend <[email protected]> Date: Mon, 12 Mar 2018 12:23:19 -0700
> When calling do_tcp_sendpages() from in kernel and we know the data > has no references from user side we can omit SKBTX_SHARED_FRAG flag. > This patch adds an internal flag, NO_SKBTX_SHARED_FRAG that can be used > to omit setting SKBTX_SHARED_FRAG. > > The flag is not exposed to userspace because the sendpage call from > the splice logic masks out all bits except MSG_MORE. > > Signed-off-by: John Fastabend <[email protected]> Acked-by: David S. Miller <[email protected]>
