From 7fa3d113da9c4fb320cde54a8a9ecb3908c60248 Mon Sep 17 00:00:00 2001
From: bi4k8 <bi4k8@github>
Date: Wed, 26 Apr 2023 19:23:45 +0000
Subject: [PATCH] top: do not print ${top mem 1} as inf if $mem not used

---
 src/top.cc | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/top.cc b/src/top.cc
index 56f6dc3a..73a59e3e 100644
--- a/src/top.cc
+++ b/src/top.cc
@@ -388,6 +388,11 @@ static void process_find_top(struct process **cpu, struct process **mem,
 }
 
 int update_top() {
+  // if nothing else has ever set up info, we need to update it here, because
+  // info.memmax is used to print percentages in `print_top_mem`
+  if (info.memmax == 0) {
+    update_meminfo();
+  }
   process_find_top(info.cpu, info.memu, info.time
 #ifdef BUILD_IOSTATS
                    ,