worker->flags is hot field(accessed when process each work item).
Move it up the the first 64 bytes(32 byte in 32bis) which are
hot fields.
And move colder field worker->task down to ensure worker->pool is
still in the first 64 bytes.
Signed-off-by: Lai Jiangshan <la...@cn.fujitsu.com>
---
kernel/workqueue_internal.h | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/kernel/workqueue_internal.h b/kernel/workqueue_internal.h
index e9fd05f..63cfac7 100644
--- a/kernel/workqueue_internal.h
+++ b/kernel/workqueue_internal.h
@@ -20,6 +20,7 @@ struct worker_pool;
* Only to be used in workqueue and async.
*/
struct worker {
+ unsigned int flags; /* LI: flags */
/* on idle list while idle, on busy hash table while busy */
union {
struct list_head entry; /* L: while idle */
@@ -30,12 +31,11 @@ struct worker {
work_func_t current_func; /* L: current_work's fn */
struct pool_workqueue *current_pwq; /* L: current_work's pwq */
struct list_head scheduled; /* L: scheduled works */
- struct task_struct *task; /* I: worker task */
struct worker_pool *pool; /* I: the associated pool */
/* L: for rescuers */
/* 64 bytes boundary on 64bit, 32 on 32bit */
+ struct task_struct *task; /* I: worker task */
unsigned long last_active; /* L: last active timestamp */
- unsigned int flags; /* LI: flags */
int id; /* I: worker id */
/* used only by rescuers to point to the target workqueue */
--
1.7.7.6
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
