Srivatsa Vaddagiri wrote:
quoted text
> This patch introduces two new structures:
> 
> struct sched_entity
>         stores essential attributes/execution-history used by CFS core
>         to drive fairness between 'schedulable entities' (tasks, users etc)
> 
> struct lrq
>         runqueue used to hold ready-to-run entities
> 
> These new structures are formed by grouping together existing fields in
> existing structures (task_struct and rq) and hence represents rework
> with zero functionality change.
> 
> Signed-off-by : Srivatsa Vaddagiri <vatsa@linux.vnet.ibm.com>
[snip]

quoted text
> 
> +/* CFS-related fields in a runqueue */
> +struct lrq {
> +	unsigned long raw_weighted_load;
> +	#define CPU_LOAD_IDX_MAX 5
> +	unsigned long cpu_load[CPU_LOAD_IDX_MAX];
> +	unsigned long nr_load_updates;
> +
> +	u64 fair_clock, delta_fair_clock;
> +	u64 exec_clock, delta_exec_clock;
> +	s64 wait_runtime;
> +	unsigned long wait_runtime_overruns, wait_runtime_underruns;
> +
> +	struct rb_root tasks_timeline;
> +	struct rb_node *rb_leftmost;
> +	struct rb_node *rb_load_balance_curr;
> +};
> +

Shouldn't the rq->lock move into lrq?

-- 
	Warm Regards,
	Balbir Singh
	Linux Technology Center
	IBM, ISTL
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