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| author | yalin wang <yalin.wang2010@gmail.com> | 2016-01-14 15:18:30 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2016-01-14 16:00:49 -0800 |
| commit | 3aa2385111168187f24a6db04697c6fab0fab9b4 (patch) | |
| tree | b02fae15f1e0147c2bc17336810a41d96b090403 | |
| parent | 0b57d6ba0bd11a41a791cf6c5bbf3b55630dc70f (diff) | |
| download | linux-3aa2385111168187f24a6db04697c6fab0fab9b4.tar.bz2 | |
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>
| -rw-r--r-- | include/trace/events/vmscan.h | 7 | ||||
| -rw-r--r-- | 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 f66476b96264..dae7836e1f51 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 2aec4241b42a..fd7823ccf301 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; } |