From 91ed2f62a4d8e7f3aafc4cb6bb0d58d0273830fb Mon Sep 17 00:00:00 2001
From: Simon MacMullen <simon@rabbitmq.com>
Date: Wed, 19 Sep 2012 10:40:21 +0100
Subject: Simplify

---
 src/rabbit.erl | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/src/rabbit.erl b/src/rabbit.erl
index 66e459e9..eaf11cfd 100644
--- a/src/rabbit.erl
+++ b/src/rabbit.erl
@@ -774,9 +774,7 @@ memory() ->
      {other_system,     System - ETS - Atom - Bin - Code}].
 
 sum_proc_memory(Pids) ->
-    lists:foldl(
-      fun (Pid, Mem) -> Mem + element(2, process_info(Pid, memory)) end,
-      0, Pids).
+    lists:sum([Mem || P <- Pids, {memory, Mem} <- [process_info(P, memory)]]).
 
 pids(#amqqueue{pid = Pid, slave_pids = undefined}) ->
     local_pids([Pid]);
-- 
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