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thermal core: convert ID allocation to IDA

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The thermal core does not use the ability to look up pointers by ID, so
convert it from using an IDR to the more space-efficient IDA.

Signed-off-by: Matthew Wilcox <mawilcox@microsoft.com>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
This commit is contained in:
Matthew Wilcox 2016-12-21 09:47:03 -08:00 • committed by Zhang Rui
parent 0c744ea4f7
commit b31ef8285b
2 changed files with 28 additions and 51 deletions
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4
include/linux/thermal.h
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@ -194,7 +194,7 @@ struct thermal_attr {
* @governor: pointer to the governor for this thermal zone
* @governor_data: private pointer for governor data
* @thermal_instances: list of &struct thermal_instance of this thermal zone
* @idr: &struct idr to generate unique id for this zone's cooling
* @ida: &struct ida to generate unique id for this zone's cooling
* devices
* @lock: lock to protect thermal_instances list
* @node: node in thermal_tz_list (in thermal_core.c)
@ -227,7 +227,7 @@ struct thermal_zone_device {
struct thermal_governor *governor;
void *governor_data;
struct list_head thermal_instances;
struct idr idr;
struct ida ida;
struct mutex lock;
struct list_head node;
struct delayed_work poll_queue;