On Sun, Mar 31, 2013 at 8:01 PM, Viresh Kumar viresh.kumar@linaro.org wrote:
This patch adds system wide system_freezable_unbound_wq which will be used by code that currently uses system_freezable_wq and can be moved to unbound workqueues.
_Why_ do i need this change?
Signed-off-by: Viresh Kumar viresh.kumar@linaro.org
include/linux/workqueue.h | 4 ++++ kernel/workqueue.c | 7 ++++++- 2 files changed, 10 insertions(+), 1 deletion(-)
diff --git a/include/linux/workqueue.h b/include/linux/workqueue.h index 835d12b..ab7597b 100644 --- a/include/linux/workqueue.h +++ b/include/linux/workqueue.h @@ -325,11 +325,15 @@ enum {
- system_freezable_wq is equivalent to system_wq except that it's
- freezable.
- system_freezable_unbound_wq is equivalent to system_unbound_wq except that
*/
- it's freezable.
extern struct workqueue_struct *system_wq; extern struct workqueue_struct *system_long_wq; extern struct workqueue_struct *system_unbound_wq; extern struct workqueue_struct *system_freezable_wq; +extern struct workqueue_struct *system_freezable_unbound_wq;
static inline struct workqueue_struct * __deprecated __system_nrt_wq(void) { diff --git a/kernel/workqueue.c b/kernel/workqueue.c index df2f6c4..771a5cc 100644 --- a/kernel/workqueue.c +++ b/kernel/workqueue.c @@ -281,6 +281,8 @@ struct workqueue_struct *system_unbound_wq __read_mostly; EXPORT_SYMBOL_GPL(system_unbound_wq); struct workqueue_struct *system_freezable_wq __read_mostly; EXPORT_SYMBOL_GPL(system_freezable_wq); +struct workqueue_struct *system_freezable_unbound_wq __read_mostly; +EXPORT_SYMBOL_GPL(system_freezable_unbound_wq);
static int worker_thread(void *__worker); static void copy_workqueue_attrs(struct workqueue_attrs *to, @@ -4467,8 +4469,11 @@ static int __init init_workqueues(void) WQ_UNBOUND_MAX_ACTIVE); system_freezable_wq = alloc_workqueue("events_freezable", WQ_FREEZABLE, 0);
system_freezable_unbound_wq = alloc_workqueue("events_unbound_freezable",WQ_FREEZABLE | WQ_UNBOUND, 0); BUG_ON(!system_wq || !system_highpri_wq || !system_long_wq ||
!system_unbound_wq || !system_freezable_wq);
!system_unbound_wq || !system_freezable_wq ||!system_freezable_unbound_wq); return 0;} early_initcall(init_workqueues); -- 1.7.12.rc2.18.g61b472e
linaro-kernel mailing list linaro-kernel@lists.linaro.org http://lists.linaro.org/mailman/listinfo/linaro-kernel