From 9001d90d48355be93a23a6f3e2da8916189e7a1a Mon Sep 17 00:00:00 2001 From: Thomas Gleixner Date: Sun, 17 Jul 2011 19:53:19 +0200 Subject: [PATCH 157/282] stomp-machine-mark-stomper-thread.patch Signed-off-by: Thomas Gleixner --- 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 175aaee..6f10df5 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -1822,6 +1822,7 @@ 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