| Subject: stomp-machine-mark-stomper-thread.patch |
| From: Thomas Gleixner <tglx@linutronix.de> |
| Date: Sun, 17 Jul 2011 19:53:19 +0200 |
| |
| Signed-off-by: Thomas Gleixner <tglx@linutronix.de> |
| --- |
| include/linux/sched.h | 1 + |
| kernel/stop_machine.c | 1 + |
| 2 files changed, 2 insertions(+) |
| |
| --- a/include/linux/sched.h |
| +++ b/include/linux/sched.h |
| @@ -1860,6 +1860,7 @@ extern void thread_group_cputime_adjuste |
| #define PF_FROZEN 0x00010000 /* frozen for system suspend */ |
| #define PF_FSTRANS 0x00020000 /* inside a filesystem transaction */ |
| #define PF_KSWAPD 0x00040000 /* I am kswapd */ |
| +#define PF_STOMPER 0x00080000 /* I am a stomp machine thread */ |
| #define PF_LESS_THROTTLE 0x00100000 /* Throttle me less: I clean memory */ |
| #define PF_KTHREAD 0x00200000 /* I am a kernel thread */ |
| #define PF_RANDOMIZE 0x00400000 /* randomize virtual address space */ |
| --- a/kernel/stop_machine.c |
| +++ b/kernel/stop_machine.c |
| @@ -327,6 +327,7 @@ static int __cpuinit cpu_stop_cpu_callba |
| if (IS_ERR(p)) |
| return notifier_from_errno(PTR_ERR(p)); |
| get_task_struct(p); |
| + p->flags |= PF_STOMPER; |
| kthread_bind(p, cpu); |
| sched_set_stop_task(cpu, p); |
| stopper->thread = p; |