[PATCH 08/19] sched/numa: Remove unused task_capacity from numa_stats

[Srikar Dronamraju]

task_capacity field in struct numa_stats is redundant.
Also move nr_running for better packing within the struct.

No functional changes.

Signed-off-by: Srikar Dronamraju <sri...@linux.vnet.ibm.com>
---
 kernel/sched/fair.c | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index d4bf973..35c4a75 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -1411,14 +1411,12 @@ bool should_numa_migrate_memory(struct task_struct *p, 
struct page * page,
 
 /* Cached statistics for all CPUs within a node */
 struct numa_stats {
-       unsigned long nr_running;
        unsigned long load;
 
        /* Total compute capacity of CPUs on a node */
        unsigned long compute_capacity;
 
-       /* Approximate capacity in terms of runnable tasks on a node */
-       unsigned long task_capacity;
+       unsigned int nr_running;
        int has_free_capacity;
 };
 
@@ -1456,9 +1454,9 @@ static void update_numa_stats(struct numa_stats *ns, int 
nid)
        smt = DIV_ROUND_UP(SCHED_CAPACITY_SCALE * cpus, ns->compute_capacity);
        capacity = cpus / smt; /* cores */
 
-       ns->task_capacity = min_t(unsigned, capacity,
+       capacity = min_t(unsigned, capacity,
                DIV_ROUND_CLOSEST(ns->compute_capacity, SCHED_CAPACITY_SCALE));
-       ns->has_free_capacity = (ns->nr_running < ns->task_capacity);
+       ns->has_free_capacity = (ns->nr_running < capacity);
 }
 
 struct task_numa_env {
-- 
1.8.3.1