include/trace/events/vmscan.h: remove mm_vmscan_inactive_list_is_low

mm_vmscan_inactive_list_is_low has no users after commit b91ac37434
("mm: vmscan: enforce inactive:active ratio at the reclaim root").

Remove it.

Link: https://lkml.kernel.org/r/20210614194554.2683395-1-yuzhao@google.com
Signed-off-by: Yu Zhao <yuzhao@google.com>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

include/trace/events/vmscan.h

@@ -423,47 +423,6 @@ TRACE_EVENT(mm_vmscan_lru_shrink_active,
 		show_reclaim_flags(__entry->reclaim_flags))
 );
 
-TRACE_EVENT(mm_vmscan_inactive_list_is_low,
-
-	TP_PROTO(int nid, int reclaim_idx,
-		unsigned long total_inactive, unsigned long inactive,
-		unsigned long total_active, unsigned long active,
-		unsigned long ratio, int file),
-
-	TP_ARGS(nid, reclaim_idx, total_inactive, inactive, total_active, active, ratio, file),
-
-	TP_STRUCT__entry(
-		__field(int, nid)
-		__field(int, reclaim_idx)
-		__field(unsigned long, total_inactive)
-		__field(unsigned long, inactive)
-		__field(unsigned long, total_active)
-		__field(unsigned long, active)
-		__field(unsigned long, ratio)
-		__field(int, reclaim_flags)
-	),
-
-	TP_fast_assign(
-		__entry->nid = nid;
-		__entry->reclaim_idx = reclaim_idx;
-		__entry->total_inactive = total_inactive;
-		__entry->inactive = inactive;
-		__entry->total_active = total_active;
-		__entry->active = active;
-		__entry->ratio = ratio;
-		__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",
-		__entry->nid,
-		__entry->reclaim_idx,
-		__entry->total_inactive, __entry->inactive,
-		__entry->total_active, __entry->active,
-		__entry->ratio,
-		show_reclaim_flags(__entry->reclaim_flags))
-);
-
 TRACE_EVENT(mm_vmscan_node_reclaim_begin,
 
 	TP_PROTO(int nid, int order, gfp_t gfp_flags),