cpuset: mm: reduce large amounts of memory barrier related damage v3

[deliverable/linux.git] / include / linux / init_task.h

diff --git a/include/linux/init_task.h b/include/linux/init_task.h
index f994d51f70f20cc7b1e1bd92ed8163e1e74454de..e4baff5f7ff403722f54b5e6dcb7f67b2926fa98 100644 (file)
--- a/include/linux/init_task.h
+++ b/include/linux/init_task.h
@@ -29,6 +29,13 @@ extern struct fs_struct init_fs;
 #define INIT_GROUP_RWSEM(sig)
 #endif
 
+#ifdef CONFIG_CPUSETS
+#define INIT_CPUSET_SEQ                                                        \
+       .mems_allowed_seq = SEQCNT_ZERO,
+#else
+#define INIT_CPUSET_SEQ
+#endif
+
 #define INIT_SIGNALS(sig) {                                            \
        .nr_threads     = 1,                                            \
        .wait_chldexit  = __WAIT_QUEUE_HEAD_INITIALIZER(sig.wait_chldexit),\
@@ -192,6 +199,7 @@ extern struct cred init_cred;
        INIT_FTRACE_GRAPH                                               \
        INIT_TRACE_RECURSION                                            \
        INIT_TASK_RCU_PREEMPT(tsk)                                      \
+       INIT_CPUSET_SEQ                                                 \
 }