On Fri, 16 Dec 2011 01:13:16 +0900 KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx> wrote: > On Thu, 15 Dec 2011 13:34:32 +0400 > Glauber Costa <glommer@xxxxxxxxxxxxx> wrote: > > > Walking the proto_list holds a read_lock, which prevents us from doing > > allocations. Splitting the tcp create function into create + init is > > good, but it is not enough since create_files will do allocations as well > > (dentry ones, mostly). > > > > Since this does not involve any protocol state, I propose we call the tcp > > functions explicitly from memcontrol.c > > > > With this, we lose by now the ability of doing cgroup memcontrol for > > protocols that are loaded as modules. But at least the ones I have in mind > > won't really need it (tcp_ipv6 being the only one, but it uses the same data > > structures as tcp_ipv4). So I believe this to be the simpler solution to this > > problem. > > > > Signed-off-by: Glauber Costa <glommer@xxxxxxxxxxxxx> > > CC: Hiroyouki Kamezawa <kamezawa.hiroyu@xxxxxxxxxxxxxx> > > CC: David S. Miller <davem@xxxxxxxxxxxxx> > > CC: Eric Dumazet <eric.dumazet@xxxxxxxxx> > > CC: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> > > Could you remake the patch onto the 'latest' linux-next ? > As Dave mentioned, some bandaids are already applied and this patch hunks. Applied patches by hand and did small test for hours. seems good. Reviewed-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx> -- To unsubscribe from this list: send the line "unsubscribe cgroups" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html