Commit c1530afc authored by Yuan Can's avatar Yuan Can Committed by Jian Zhang
Browse files

ascend: export interfaces required by ascend drivers 

hulk inclusion
category: feature
bugzilla: https://gitee.com/openeuler/kernel/issues/I612UG


CVE: NA

--------------------------------

Export oom_type_notifier_call map_kernel_range and
__get_vm_area_caller for ascend drivers.
Export pm_autosleep_set_state and __vmalloc_node_range.
Export alloc_workqueue_attrs, free_workqueue_attrs
and apply_workqueue_attrs.

Signed-off-by: default avatarYuan Can <yuancan@huawei.com>
parent 60a48ea1

kernel/power/autosleep.c

+1 −0
Original line number Diff line number Diff line
@@ -113,6 +113,7 @@ int pm_autosleep_set_state(suspend_state_t state) 
	mutex_unlock(&autosleep_lock);

	return 0;

}

EXPORT_SYMBOL_GPL(pm_autosleep_set_state);



int __init pm_autosleep_init(void)

{

kernel/workqueue.c

+3 −0
Original line number Diff line number Diff line
@@ -3353,6 +3353,7 @@ void free_workqueue_attrs(struct workqueue_attrs *attrs) 
		kfree(attrs);

	}

}

EXPORT_SYMBOL_GPL(free_workqueue_attrs);



/**

 * alloc_workqueue_attrs - allocate a workqueue_attrs
@@ -3378,6 +3379,7 @@ struct workqueue_attrs *alloc_workqueue_attrs(void) 
	free_workqueue_attrs(attrs);

	return NULL;

}

EXPORT_SYMBOL_GPL(alloc_workqueue_attrs);



static void copy_workqueue_attrs(struct workqueue_attrs *to,

				 const struct workqueue_attrs *from)
@@ -4092,6 +4094,7 @@ int apply_workqueue_attrs(struct workqueue_struct *wq, 


	return ret;

}

EXPORT_SYMBOL_GPL(apply_workqueue_attrs);



/**

 * wq_update_unbound_numa - update NUMA affinity of a wq for CPU hot[un]plug

mm/oom_kill.c

+1 −0
Original line number Diff line number Diff line
@@ -1119,6 +1119,7 @@ int oom_type_notifier_call(unsigned int type, struct oom_control *oc) 


	return blocking_notifier_call_chain(&oom_type_notify_list, type, NULL);

}

EXPORT_SYMBOL_GPL(oom_type_notifier_call);

#endif



/**

mm/vmalloc.c

+3 −0
Original line number Diff line number Diff line
@@ -643,6 +643,7 @@ int map_kernel_range(unsigned long start, unsigned long size, pgprot_t prot, 
	flush_cache_vmap(start, start + size);

	return ret;

}

EXPORT_SYMBOL(map_kernel_range);



int is_vmalloc_or_module_addr(const void *x)

{
@@ -2460,6 +2461,7 @@ struct vm_struct *__get_vm_area_caller(unsigned long size, unsigned long flags, 
	return __get_vm_area_node(size, 1, PAGE_SHIFT, flags, start, end,

				  NUMA_NO_NODE, GFP_KERNEL, caller);

}

EXPORT_SYMBOL(__get_vm_area_caller);



/**

 * get_vm_area - reserve a contiguous kernel virtual area
@@ -3058,6 +3060,7 @@ void *__vmalloc_node_range(unsigned long size, unsigned long align, 


	return NULL;

}

EXPORT_SYMBOL_GPL(__vmalloc_node_range);



/**

 * __vmalloc_node - allocate virtually contiguous memory