On Sun, Apr 14, 2013 at 11:36:55AM -0700, Tejun Heo wrote: > kdbus folks want a sane way to determine the cgroup path that a given > task belongs to on a given hierarchy, which is a reasonble thing to > expect from cgroup core. > > This patchset make hierarchy_id allocation use idr instead of ida and > implement task_cgroup_path_from_hierarchy(). In the process, the > yucky ida cyclic allocation is replaced with idr_alloc_cyclic(). > > 0001-cgroup-refactor-hierarchy_id-handling.patch > 0002-cgroup-drop-hierarchy_id_lock.patch > 0003-cgroup-make-hierarchy_id-use-cyclic-idr.patch > 0004-cgroup-implement-task_cgroup_path_from_hierarchy.patch > > 0001-0002 prepare for conversion to idr, which 0003 does. > > 0004 implements the new function. > > This patchset is on top of next-20130412 as idr_alloc_cyclic() patch > is currently in -mm. Given that this isn't an urgent thing and the > merge window is just around the corner, it'd be probably best to route > these through cgroup/for-3.11 once v3.10-rc1 drops. > > These patches are also available in the following git branch. > > git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup.git review-task_cgroup_path_from_hierarchy > > And it actually reduces LOC. Woot Woot. > > include/linux/cgroup.h | 2 > kernel/cgroup.c | 128 +++++++++++++++++++++++++++++++++---------------- > 2 files changed, 89 insertions(+), 41 deletions(-) Heh, I must have been tripping or something. 89 > 41. It's still a lot cleaner tho. :) -- tejun _______________________________________________ Containers mailing list Containers@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linuxfoundation.org/mailman/listinfo/containers