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authorBjorn Helgaas <bhelgaas@google.com>2016-08-01 12:34:01 -0500
committerBjorn Helgaas <bhelgaas@google.com>2016-08-01 12:34:01 -0500
commit9454c23852ca6d7aec89fd6fd46a046c323caac3 (patch)
tree794be65345027b5adea3720a43124fee338333a5 /kernel/sched/stats.h
parenta04bee8285a71cdbb9076c3dc38be1f0b9a6b4b3 (diff)
parent4ef33685aa0957d771e068b60a5f3ca6b47ade1c (diff)
Merge branch 'pci/msi-affinity' into next
Conflicts: drivers/nvme/host/pci.c
Diffstat (limited to 'kernel/sched/stats.h')
-rw-r--r--kernel/sched/stats.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/kernel/sched/stats.h b/kernel/sched/stats.h
index 70b3b6a20fb0..78955cbea31c 100644
--- a/kernel/sched/stats.h
+++ b/kernel/sched/stats.h
@@ -33,6 +33,8 @@ rq_sched_info_dequeued(struct rq *rq, unsigned long long delta)
# define schedstat_inc(rq, field) do { if (schedstat_enabled()) { (rq)->field++; } } while (0)
# define schedstat_add(rq, field, amt) do { if (schedstat_enabled()) { (rq)->field += (amt); } } while (0)
# define schedstat_set(var, val) do { if (schedstat_enabled()) { var = (val); } } while (0)
+# define schedstat_val(rq, field) ((schedstat_enabled()) ? (rq)->field : 0)
+
#else /* !CONFIG_SCHEDSTATS */
static inline void
rq_sched_info_arrive(struct rq *rq, unsigned long long delta)
@@ -47,6 +49,7 @@ rq_sched_info_depart(struct rq *rq, unsigned long long delta)
# define schedstat_inc(rq, field) do { } while (0)
# define schedstat_add(rq, field, amt) do { } while (0)
# define schedstat_set(var, val) do { } while (0)
+# define schedstat_val(rq, field) 0
#endif
#ifdef CONFIG_SCHED_INFO