Lines Matching defs:buf
45 char __rcu *buf;
64 *(old++) = rcu_dereference_protected(memcg_path->buf,
66 rcu_assign_pointer(memcg_path->buf, NULL);
101 rcu_assign_pointer(per_cpu_ptr(&memcg_paths, cpu)->buf, new);
136 char *buf;
140 buf = rcu_dereference(memcg_path->buf);
141 if (buf == NULL) {
147 return &buf[idx];
201 char *buf = NULL;
209 buf = get_memcg_path_buf();
210 if (buf == NULL)
213 cgroup_path(memcg->css.cgroup, buf, MEMCG_PATH_BUF_SIZE);
218 return buf;