Move trace_reclaim_flags() into trace function,
so that we don't need caculate these flags if the trace is disabled.
Signed-off-by: yalin wang <yalin.wang2...@gmail.com>
---
include/trace/events/vmscan.h | 7 +++----
mm/vmscan.c | 2 +-
2 files changed, 4 insertions(+), 5 deletions(-)
diff --git a/include/trace/events/vmscan.h b/include/trace/events/vmscan.h
index f66476b..dae7836 100644
--- a/include/trace/events/vmscan.h
+++ b/include/trace/events/vmscan.h
@@ -330,10 +330,9 @@ DEFINE_EVENT(mm_vmscan_lru_isolate_template,
mm_vmscan_memcg_isolate,
TRACE_EVENT(mm_vmscan_writepage,
- TP_PROTO(struct page *page,
- int reclaim_flags),
+ TP_PROTO(struct page *page),
- TP_ARGS(page, reclaim_flags),
+ TP_ARGS(page),
TP_STRUCT__entry(
__field(unsigned long, pfn)
@@ -342,7 +341,7 @@ TRACE_EVENT(mm_vmscan_writepage,
TP_fast_assign(
__entry->pfn = page_to_pfn(page);
- __entry->reclaim_flags = reclaim_flags;
+ __entry->reclaim_flags = trace_reclaim_flags(page);
),
TP_printk("page=%p pfn=%lu flags=%s",
diff --git a/mm/vmscan.c b/mm/vmscan.c
index a4507ec..83cea53 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -594,7 +594,7 @@ static pageout_t pageout(struct page *page, struct
address_space *mapping,
/* synchronous write or broken a_ops? */
ClearPageReclaim(page);
}
- trace_mm_vmscan_writepage(page, trace_reclaim_flags(page));
+ trace_mm_vmscan_writepage(page);
inc_zone_page_state(page, NR_VMSCAN_WRITE);
return PAGE_SUCCESS;
}
--
1.9.1
--
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