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-rw-r--r--include/linux/sched.h31
1 files changed, 27 insertions, 4 deletions
diff --git a/include/linux/sched.h b/include/linux/sched.h
index dede82c6344..44637353519 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -82,6 +82,7 @@ struct sched_param {
#include <linux/resource.h>
#include <linux/timer.h>
#include <linux/hrtimer.h>
+#include <linux/task_io_accounting.h>
#include <asm/processor.h>
@@ -436,7 +437,12 @@ struct signal_struct {
/* job control IDs */
pid_t pgrp;
pid_t tty_old_pgrp;
- pid_t session;
+
+ union {
+ pid_t session __deprecated;
+ pid_t __session;
+ };
+
/* boolean value for session group leader */
int leader;
@@ -642,6 +648,7 @@ enum idle_type
#define SD_SHARE_CPUPOWER 128 /* Domain members share cpu power */
#define SD_POWERSAVINGS_BALANCE 256 /* Balance for power savings */
#define SD_SHARE_PKG_RESOURCES 512 /* Domain members share cpu pkg resources */
+#define SD_SERIALIZE 1024 /* Only a single load balancing instance */
#define BALANCE_FOR_MC_POWER \
(sched_smt_power_savings ? SD_POWERSAVINGS_BALANCE : 0)
@@ -1008,6 +1015,7 @@ struct task_struct {
wait_queue_t *io_wait;
/* i/o counters(bytes read/written, #syscalls */
u64 rchar, wchar, syscr, syscw;
+ struct task_io_accounting ioac;
#if defined(CONFIG_TASK_XACCT)
u64 acct_rss_mem1; /* accumulated rss usage */
u64 acct_vm_mem1; /* accumulated virtual memory usage */
@@ -1040,6 +1048,9 @@ struct task_struct {
#ifdef CONFIG_TASK_DELAY_ACCT
struct task_delay_info *delays;
#endif
+#ifdef CONFIG_FAULT_INJECTION
+ int make_it_fail;
+#endif
};
static inline pid_t process_group(struct task_struct *tsk)
@@ -1047,6 +1058,21 @@ static inline pid_t process_group(struct task_struct *tsk)
return tsk->signal->pgrp;
}
+static inline pid_t signal_session(struct signal_struct *sig)
+{
+ return sig->__session;
+}
+
+static inline pid_t process_session(struct task_struct *tsk)
+{
+ return signal_session(tsk->signal);
+}
+
+static inline void set_signal_session(struct signal_struct *sig, pid_t session)
+{
+ sig->__session = session;
+}
+
static inline struct pid *task_pid(struct task_struct *task)
{
return task->pids[PIDTYPE_PID].pid;
@@ -1118,7 +1144,6 @@ static inline void put_task_struct(struct task_struct *t)
#define PF_MEMALLOC 0x00000800 /* Allocating memory */
#define PF_FLUSHER 0x00001000 /* responsible for disk writeback */
#define PF_USED_MATH 0x00002000 /* if unset the fpu must be initialized before use */
-#define PF_FREEZE 0x00004000 /* this task is being frozen for suspend now */
#define PF_NOFREEZE 0x00008000 /* this thread should not be frozen */
#define PF_FROZEN 0x00010000 /* frozen for system suspend */
#define PF_FSTRANS 0x00020000 /* inside a filesystem transaction */
@@ -1240,7 +1265,6 @@ extern struct mm_struct init_mm;
#define find_task_by_pid(nr) find_task_by_pid_type(PIDTYPE_PID, nr)
extern struct task_struct *find_task_by_pid_type(int type, int pid);
-extern void set_special_pids(pid_t session, pid_t pgrp);
extern void __set_special_pids(pid_t session, pid_t pgrp);
/* per-UID process charging. */
@@ -1381,7 +1405,6 @@ extern NORET_TYPE void do_group_exit(int);
extern void daemonize(const char *, ...);
extern int allow_signal(int);
extern int disallow_signal(int);
-extern struct task_struct *child_reaper;
extern int do_execve(char *, char __user * __user *, char __user * __user *, struct pt_regs *);
extern long do_fork(unsigned long, unsigned long, struct pt_regs *, unsigned long, int __user *, int __user *);