The patch titled
cgroups: include hierarchy ids in /proc/<pid>/cgroup
has been added to the -mm tree. Its filename is
cgroups-include-hierarchy-ids-in-proc-pid-cgroup.patch
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------------------------------------------------------
Subject: cgroups: include hierarchy ids in /proc/<pid>/cgroup
From: Paul Menage <menage@xxxxxxxxxx>
Extend the /proc/<pid>/cgroup file to include the appropriate hierarchy ID on
each line.
Currently this ID isn't really needed since a hierarchy can be completely
identified by the set of subsystems bound to it, but this is likely to change
in the near future in order to support stateless subsystems and
merging/rebinding of subsystems. Getting this change into 2.6.25 reduces the
need for an API change later.
Signed-off-by: Paul Menage <menage@xxxxxxxxxx>
Cc: Balbir Singh <balbir@xxxxxxxxxx>
Cc: Pavel Emelyanov <xemul@xxxxxxxxxx>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
kernel/cgroup.c | 1 +
1 file changed, 1 insertion(+)
diff -puN kernel/cgroup.c~cgroups-include-hierarchy-ids-in-proc-pid-cgroup kernel/cgroup.c
--- a/kernel/cgroup.c~cgroups-include-hierarchy-ids-in-proc-pid-cgroup
+++ a/kernel/cgroup.c
@@ -2569,6 +2569,7 @@ static int proc_cgroup_show(struct seq_f
/* Skip this hierarchy if it has no active subsystems */
if (!root->actual_subsys_bits)
continue;
+ seq_printf(m, "%lu:", root->subsys_bits);
for_each_subsys(root, ss)
seq_printf(m, "%s%s", count++ ? "," : "", ss->name);
seq_putc(m, ':');
_
Patches currently in -mm which might be from menage@xxxxxxxxxx are
origin.patch
cgroups-include-hierarchy-ids-in-proc-pid-cgroup.patch
make-cgroup_enable_task_cg_lists-static.patch
cgroup-fix-sparse-warning-of-shadow-symbol-in-cgroupc.patch
cgroup-api-files-rename-read-write_uint-methods-to-read_write_u64.patch
cgroup-api-files-add-res_counter_read_u64.patch
cgroup-api-files-use-read_u64-in-memory-controller.patch
cgroup-api-files-strip-all-trailing-whitespace-in-cgroup_write_u64.patch
cgroup-api-files-update-cpusets-to-use-cgroup-structured-file-api.patch
cgroup-api-files-update-cpusets-to-use-cgroup-structured-file-api-fix.patch
cgroup-api-files-add-cgroup-map-data-type.patch
cgroup-api-files-use-cgroup-map-for-memcontrol-stats-file.patch
cgroup-api-files-drop-mem_cgroup_force_empty.patch
cgroup-api-files-move-releasable-to-cgroup_debug-subsystem.patch
cgroup-api-files-make-cgroup_debug-default-to-off.patch
cgroups-_s64-files-add-cgroups-read_s64-write_s64-file-methods.patch
cgroups-_s64-files-use-read_s64-write_s64-in-cfs-cgroup-for-rt_runtime-file.patch
cgroup-annotate-cgroup_init_subsys-with-__init.patch
cgroup-switch-to-proc_create.patch
cgroups-add-the-trigger-callback-to-struct-cftype.patch
cgroups-implement-device-whitelist-v6.patch
cgroups-implement-device-whitelist-v6-checkpatch-fixes.patch
cgroups-implement-device-whitelist-v6-cleanups.patch
cgroups-implement-device-whitelist-doc.patch
cgroups-implement-device-whitelist-v6-fix.patch
cgroups-use-a-hash-table-for-css_set-finding.patch
cgroups-simplify-init_subsys.patch
cgroups-remove-the-css_set-linked-list.patch
cgroups-introduce-cft-read_seq-v2.patch
memcgroup-move-memory-controller-allocations-to-their-own-slabs.patch
memcgroup-use-triggers-in-force_empty-and-max_usage-files.patch
memcgroup-implement-failcounter-reset.patch
memcgroup-implement-failcounter-reset-checkpatch-fixes.patch
memcgroup-make-the-memory-controller-more-desktop-responsive.patch
cpuset-hardwall-flag-switch-cpusets-to-use-the-bulk-cgroup_add_files-api.patch
cpuset-hardwall-flag-add-a-mem_hardwall-flag-to-cpusets.patch
add-a-refcount-check-in-dput.patch
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