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Diffstat (limited to 'include/linux/init_task.h')
-rw-r--r--include/linux/init_task.h44
1 files changed, 27 insertions, 17 deletions
diff --git a/include/linux/init_task.h b/include/linux/init_task.h
index 325f649d77ff..91d9049f0039 100644
--- a/include/linux/init_task.h
+++ b/include/linux/init_task.h
@@ -12,8 +12,10 @@
#include <linux/securebits.h>
#include <linux/seqlock.h>
#include <linux/rbtree.h>
+#include <linux/sched/autogroup.h>
#include <net/net_namespace.h>
#include <linux/sched/rt.h>
+#include <linux/mm_types.h>
#include <asm/thread_info.h>
@@ -42,6 +44,27 @@ extern struct fs_struct init_fs;
#define INIT_PREV_CPUTIME(x)
#endif
+#ifdef CONFIG_POSIX_TIMERS
+#define INIT_POSIX_TIMERS(s) \
+ .posix_timers = LIST_HEAD_INIT(s.posix_timers),
+#define INIT_CPU_TIMERS(s) \
+ .cpu_timers = { \
+ LIST_HEAD_INIT(s.cpu_timers[0]), \
+ LIST_HEAD_INIT(s.cpu_timers[1]), \
+ LIST_HEAD_INIT(s.cpu_timers[2]), \
+ },
+#define INIT_CPUTIMER(s) \
+ .cputimer = { \
+ .cputime_atomic = INIT_CPUTIME_ATOMIC, \
+ .running = false, \
+ .checking_timer = false, \
+ },
+#else
+#define INIT_POSIX_TIMERS(s)
+#define INIT_CPU_TIMERS(s)
+#define INIT_CPUTIMER(s)
+#endif
+
#define INIT_SIGNALS(sig) { \
.nr_threads = 1, \
.thread_head = LIST_HEAD_INIT(init_task.thread_node), \
@@ -49,14 +72,10 @@ extern struct fs_struct init_fs;
.shared_pending = { \
.list = LIST_HEAD_INIT(sig.shared_pending.list), \
.signal = {{0}}}, \
- .posix_timers = LIST_HEAD_INIT(sig.posix_timers), \
- .cpu_timers = INIT_CPU_TIMERS(sig.cpu_timers), \
+ INIT_POSIX_TIMERS(sig) \
+ INIT_CPU_TIMERS(sig) \
.rlim = INIT_RLIMITS, \
- .cputimer = { \
- .cputime_atomic = INIT_CPUTIME_ATOMIC, \
- .running = false, \
- .checking_timer = false, \
- }, \
+ INIT_CPUTIMER(sig) \
INIT_PREV_CPUTIME(sig) \
.cred_guard_mutex = \
__MUTEX_INITIALIZER(sig.cred_guard_mutex), \
@@ -132,8 +151,6 @@ extern struct group_info init_groups;
extern struct cred init_cred;
-extern struct task_group root_task_group;
-
#ifdef CONFIG_CGROUP_SCHED
# define INIT_CGROUP_SCHED(tsk) \
.sched_task_group = &root_task_group,
@@ -247,7 +264,7 @@ extern struct task_group root_task_group;
.blocked = {{0}}, \
.alloc_lock = __SPIN_LOCK_UNLOCKED(tsk.alloc_lock), \
.journal_info = NULL, \
- .cpu_timers = INIT_CPU_TIMERS(tsk.cpu_timers), \
+ INIT_CPU_TIMERS(tsk) \
.pi_lock = __RAW_SPIN_LOCK_UNLOCKED(tsk.pi_lock), \
.timer_slack_ns = 50000, /* 50 usec default slack */ \
.pids = { \
@@ -274,13 +291,6 @@ extern struct task_group root_task_group;
}
-#define INIT_CPU_TIMERS(cpu_timers) \
-{ \
- LIST_HEAD_INIT(cpu_timers[0]), \
- LIST_HEAD_INIT(cpu_timers[1]), \
- LIST_HEAD_INIT(cpu_timers[2]), \
-}
-
/* Attach to the init_task data structure for proper alignment */
#define __init_task_data __attribute__((__section__(".data..init_task")))