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| author | Yafang Shao <laoar.shao@gmail.com> | 2019-05-13 17:23:08 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2019-05-14 09:47:51 -0700 |
| commit | 60b62ff7cc4217ac3de76535fa4c1510a798dbcb (patch) | |
| tree | 79d2653037fc69713a56b7dd9eeb82b1cd269bbb /include/trace | |
| parent | d66d109d3c9c31f4c2140a5ac6ab486c53cb0156 (diff) | |
| download | linux-60b62ff7cc4217ac3de76535fa4c1510a798dbcb.tar.bz2 | |
mm/vmscan: simplify trace_reclaim_flags and trace_shrink_flags
trace_reclaim_flags and trace_shrink_flags are almost the same.
We can simplify them to avoid redundant code.
Link: http://lkml.kernel.org/r/1556169203-5858-1-git-send-email-laoar.shao@gmail.com
Signed-off-by: Yafang Shao <laoar.shao@gmail.com>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/trace')
| -rw-r--r-- | include/trace/events/vmscan.h | 20 |
1 files changed, 8 insertions, 12 deletions
diff --git a/include/trace/events/vmscan.h b/include/trace/events/vmscan.h index 0aa882a4e870..a5ab2973e8dc 100644 --- a/include/trace/events/vmscan.h +++ b/include/trace/events/vmscan.h @@ -27,17 +27,11 @@ {RECLAIM_WB_ASYNC, "RECLAIM_WB_ASYNC"} \ ) : "RECLAIM_WB_NONE" -#define trace_reclaim_flags(page) ( \ - (page_is_file_cache(page) ? RECLAIM_WB_FILE : RECLAIM_WB_ANON) | \ +#define trace_reclaim_flags(file) ( \ + (file ? RECLAIM_WB_FILE : RECLAIM_WB_ANON) | \ (RECLAIM_WB_ASYNC) \ ) -#define trace_shrink_flags(file) \ - ( \ - (file ? RECLAIM_WB_FILE : RECLAIM_WB_ANON) | \ - (RECLAIM_WB_ASYNC) \ - ) - TRACE_EVENT(mm_vmscan_kswapd_sleep, TP_PROTO(int nid), @@ -328,7 +322,8 @@ TRACE_EVENT(mm_vmscan_writepage, TP_fast_assign( __entry->pfn = page_to_pfn(page); - __entry->reclaim_flags = trace_reclaim_flags(page); + __entry->reclaim_flags = trace_reclaim_flags( + page_is_file_cache(page)); ), TP_printk("page=%p pfn=%lu flags=%s", @@ -374,7 +369,7 @@ TRACE_EVENT(mm_vmscan_lru_shrink_inactive, __entry->nr_ref_keep = stat->nr_ref_keep; __entry->nr_unmap_fail = stat->nr_unmap_fail; __entry->priority = priority; - __entry->reclaim_flags = trace_shrink_flags(file); + __entry->reclaim_flags = trace_reclaim_flags(file); ), TP_printk("nid=%d nr_scanned=%ld nr_reclaimed=%ld nr_dirty=%ld nr_writeback=%ld nr_congested=%ld nr_immediate=%ld nr_activate_anon=%d nr_activate_file=%d nr_ref_keep=%ld nr_unmap_fail=%ld priority=%d flags=%s", @@ -413,7 +408,7 @@ TRACE_EVENT(mm_vmscan_lru_shrink_active, __entry->nr_deactivated = nr_deactivated; __entry->nr_referenced = nr_referenced; __entry->priority = priority; - __entry->reclaim_flags = trace_shrink_flags(file); + __entry->reclaim_flags = trace_reclaim_flags(file); ), TP_printk("nid=%d nr_taken=%ld nr_active=%ld nr_deactivated=%ld nr_referenced=%ld priority=%d flags=%s", @@ -452,7 +447,8 @@ TRACE_EVENT(mm_vmscan_inactive_list_is_low, __entry->total_active = total_active; __entry->active = active; __entry->ratio = ratio; - __entry->reclaim_flags = trace_shrink_flags(file) & RECLAIM_WB_LRU; + __entry->reclaim_flags = trace_reclaim_flags(file) & + RECLAIM_WB_LRU; ), TP_printk("nid=%d reclaim_idx=%d total_inactive=%ld inactive=%ld total_active=%ld active=%ld ratio=%ld flags=%s", |