Handle reading /proc/self/cpuset when cpusets isn't mounted. Signed-off-by: Paul Menage --- kernel/cgroup.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff -puN kernel/cgroup.c~task-cgroupsv11-basic-task-cgroup-framework-fix kernel/cgroup.c --- a/kernel/cgroup.c~task-cgroupsv11-basic-task-cgroup-framework-fix +++ a/kernel/cgroup.c @@ -683,6 +683,15 @@ int cgroup_path(const struct containe { char *start; + if (cont == dummytop) { + /* + * Inactive subsystems have no dentry for their root + * cgroup + */ + strcpy(buf, "/"); + return 0; + } + start = buf + buflen; *--start = '\0'; _ -- - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/