mm/vmscan.c: change trace_mm_vmscan_writepage() proto type
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.wang2010@gmail.com>
Reviewed-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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 @@
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 @@
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 2aec424..fd7823c 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -594,7 +594,7 @@
/* 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;
}