On Wed, Nov 04, 2020 at 05:50:40PM +0530, Sachin Sant wrote: > > > > On 04-Nov-2020, at 3:35 PM, Michael Ellerman <mpe@xxxxxxxxxxxxxx> wrote: > > > > On older distros struct clone_args does not have a cgroup member, > > leading to build errors: > > > > cgroup_util.c: In function 'clone_into_cgroup': > > cgroup_util.c:343:4: error: 'struct clone_args' has no member named 'cgroup' > > > > But the selftests already have a locally defined version of the > > structure which is up to date, called __clone_args. > > > > So use __clone_args which fixes the error. > > > > Argument passed to sys_clone3() will also require a similar change. > > - pid = sys_clone3(&args, sizeof(struct clone_args)); > + pid = sys_clone3(&args, sizeof(struct __clone_args)); > > Without this compilation still fails(at least for me) due to following error > > cgroup_util.c: In function 'clone_into_cgroup': > cgroup_util.c:346:33: error: invalid application of 'sizeof' to incomplete type 'struct clone_args' > pid = sys_clone3(&args, sizeof(struct clone_args)); > > > Signed-off-by: Michael Ellerman <mpe@xxxxxxxxxxxxxx> > > --- Thanks Michael for taking care fo this. Much appreciated. I think with the fix that Sachin pointed out this should work out fine! Once that's fixed up: Acked-by: Christian Brauner <christian.brauner@xxxxxxxxxx> Thanks! Christian