Revert "sched, cgroup: replace signal_struct->group_rwsem with a global percpu_rwsem"

[karo-tx-linux.git] / include / linux / init_task.h

diff --git a/include/linux/init_task.h b/include/linux/init_task.h
index d0b380ee7d67abbd421bf69fdd63ff10b2aa88b1..e38681f4912d02f9c571dd7d232a4b4bb4911ea4 100644 (file)
--- a/include/linux/init_task.h
+++ b/include/linux/init_task.h
@@ -25,6 +25,13 @@
 extern struct files_struct init_files;
 extern struct fs_struct init_fs;
 
+#ifdef CONFIG_CGROUPS
+#define INIT_GROUP_RWSEM(sig)                                          \
+       .group_rwsem = __RWSEM_INITIALIZER(sig.group_rwsem),
+#else
+#define INIT_GROUP_RWSEM(sig)
+#endif
+
 #ifdef CONFIG_CPUSETS
 #define INIT_CPUSET_SEQ(tsk)                                                   \
        .mems_allowed_seq = SEQCNT_ZERO(tsk.mems_allowed_seq),
@@ -57,6 +64,7 @@ extern struct fs_struct init_fs;
        INIT_PREV_CPUTIME(sig)                                          \
        .cred_guard_mutex =                                             \
                 __MUTEX_INITIALIZER(sig.cred_guard_mutex),             \
+       INIT_GROUP_RWSEM(sig)                                           \
 }
 
 extern struct nsproxy init_nsproxy;