Commit 5003ad71 authored by Rafael J. Wysocki's avatar Rafael J. Wysocki
Browse files

ACPI: OSL: Clean up the removal of unused memory mappings 



Fold acpi_os_map_cleanup_deferred() into acpi_os_map_remove() and
pass the latter to INIT_RCU_WORK() in acpi_os_drop_map_ref() to make
the code more straightforward.

No intentional functional impact.

Signed-off-by: default avatarRafael J. Wysocki <rafael.j.wysocki@intel.com>
parent a968fba2

drivers/acpi/osl.c

+6 −8
Original line number Diff line number Diff line
@@ -377,18 +377,16 @@ void *__ref acpi_os_map_memory(acpi_physical_address phys, acpi_size size) 
}

EXPORT_SYMBOL_GPL(acpi_os_map_memory);



static void acpi_os_map_remove(struct acpi_ioremap *map)

static void acpi_os_map_remove(struct work_struct *work)

{

	struct acpi_ioremap *map = container_of(to_rcu_work(work),

						struct acpi_ioremap,

						track.rwork);



	acpi_unmap(map->phys, map->virt);

	kfree(map);

}



static void acpi_os_map_cleanup_deferred(struct work_struct *work)

{

	acpi_os_map_remove(container_of(to_rcu_work(work), struct acpi_ioremap,

					track.rwork));

}



/* Must be called with mutex_lock(&acpi_ioremap_lock) */

static void acpi_os_drop_map_ref(struct acpi_ioremap *map)

{
@@ -397,7 +395,7 @@ static void acpi_os_drop_map_ref(struct acpi_ioremap *map) 


	list_del_rcu(&map->list);



	INIT_RCU_WORK(&map->track.rwork, acpi_os_map_cleanup_deferred);

	INIT_RCU_WORK(&map->track.rwork, acpi_os_map_remove);

	queue_rcu_work(system_wq, &map->track.rwork);

}

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