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

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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: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Rafael J. Wysocki 2020-07-02 14:14:05 +02:00
parent a968fba297
commit 5003ad7172
1 changed files with 6 additions and 8 deletions
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14
drivers/acpi/osl.c
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@ -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);
}