diff options
Diffstat (limited to 'include/linux/sched.h')
| -rw-r--r-- | include/linux/sched.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/include/linux/sched.h b/include/linux/sched.h index 119823decc46..3c602c20c717 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -1344,6 +1344,18 @@ enum perf_event_task_context { perf_nr_task_contexts, }; +/* Track pages that require TLB flushes */ +struct tlbflush_unmap_batch { + /* + * Each bit set is a CPU that potentially has a TLB entry for one of + * the PFNs being flushed. See set_tlb_ubc_flush_pending(). + */ + struct cpumask cpumask; + + /* True if any bit in cpumask is set */ + bool flush_required; +}; + struct task_struct { volatile long state; /* -1 unrunnable, 0 runnable, >0 stopped */ void *stack; @@ -1700,6 +1712,10 @@ struct task_struct { unsigned long numa_pages_migrated; #endif /* CONFIG_NUMA_BALANCING */ +#ifdef CONFIG_ARCH_WANT_BATCHED_UNMAP_TLB_FLUSH + struct tlbflush_unmap_batch tlb_ubc; +#endif + struct rcu_head rcu; /* |