On Thu, Apr 29, 2021 at 09:48:03AM +0300, Gal Pressman wrote: > The new attribute indicates that the kernel copies DMA pages on fork, > hence fork support through madvise and MADV_DONTFORK is not needed. > > If the attribute is not reported (expected on older kernels), > copy-on-fork is disabled. > > Example: > $ rdma sys > netns shared copy-on-fork on > > Signed-off-by: Gal Pressman <galpress@xxxxxxxxxx> > --- > rdma/sys.c | 11 ++++++++++- > 1 file changed, 10 insertions(+), 1 deletion(-) > Thanks, Acked-by: Leon Romanovsky <leonro@xxxxxxxxxx>