diff options
Diffstat (limited to 'include/linux/sched.h')
| -rw-r--r-- | include/linux/sched.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/include/linux/sched.h b/include/linux/sched.h index 62c68e513e39..20f9f47bcfd0 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -1923,6 +1923,9 @@ struct task_struct { #ifdef CONFIG_MMU struct task_struct *oom_reaper_list; #endif +#ifdef CONFIG_VMAP_STACK + struct vm_struct *stack_vm_area; +#endif /* CPU-specific state of this task */ struct thread_struct thread; /* @@ -1939,6 +1942,18 @@ extern int arch_task_struct_size __read_mostly; # define arch_task_struct_size (sizeof(struct task_struct)) #endif +#ifdef CONFIG_VMAP_STACK +static inline struct vm_struct *task_stack_vm_area(const struct task_struct *t) +{ + return t->stack_vm_area; +} +#else +static inline struct vm_struct *task_stack_vm_area(const struct task_struct *t) +{ + return NULL; +} +#endif + /* Future-safe accessor for struct task_struct's cpus_allowed. */ #define tsk_cpus_allowed(tsk) (&(tsk)->cpus_allowed) |