From 049611f98d67f11f8e06fe0b0fc50eb8ca1925d8 Mon Sep 17 00:00:00 2001
From: Rickard Green <rickard@erlang.org>
Date: Wed, 8 Jun 2016 14:56:31 +0200
Subject: No GC on dirty IO schedulers

---
 erts/emulator/beam/erl_process.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'erts')

diff --git a/erts/emulator/beam/erl_process.c b/erts/emulator/beam/erl_process.c
index c0b1d7246c..5193be85b4 100644
--- a/erts/emulator/beam/erl_process.c
+++ b/erts/emulator/beam/erl_process.c
@@ -10082,7 +10082,7 @@ Process *erts_schedule(ErtsSchedulerData *esdp, Process *p, int calls)
 	    }
 	}
 
-	if (ERTS_IS_GC_DESIRED(p)) {
+	if (ERTS_IS_GC_DESIRED(p) && !ERTS_SCHEDULER_IS_DIRTY_IO(esdp)) {
 	    if (!(state & ERTS_PSFLG_EXITING) && !(p->flags & (F_DELAY_GC|F_DISABLE_GC))) {
 		int cost = scheduler_gc_proc(p, reds);
 		calls += cost;
-- 
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