| From 0b237e434d3874702ccc722c5b1a2b15b37d4380 Mon Sep 17 00:00:00 2001 |
| From: Thomas Gleixner <tglx@linutronix.de> |
| Date: Sun, 17 Jul 2011 19:53:19 +0200 |
| Subject: [PATCH 136/274] stomp-machine-mark-stomper-thread.patch |
| |
| Signed-off-by: Thomas Gleixner <tglx@linutronix.de> |
| --- |
| include/linux/sched.h | 1 + |
| kernel/stop_machine.c | 1 + |
| 2 files changed, 2 insertions(+) |
| |
| diff --git a/include/linux/sched.h b/include/linux/sched.h |
| index 1caf523..01d0860 100644 |
| --- a/include/linux/sched.h |
| +++ b/include/linux/sched.h |
| @@ -1867,6 +1867,7 @@ extern void thread_group_times(struct task_struct *p, cputime_t *ut, cputime_t * |
| #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 */ |
| diff --git a/kernel/stop_machine.c b/kernel/stop_machine.c |
| index 61779f8..484a335 100644 |
| --- a/kernel/stop_machine.c |
| +++ b/kernel/stop_machine.c |
| @@ -327,6 +327,7 @@ static int __cpuinit cpu_stop_cpu_callback(struct notifier_block *nfb, |
| 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; |
| -- |
| 1.7.10.4 |
| |
