From 754d6c6bc9ec930f752247c13df344da85b3fd6c Mon Sep 17 00:00:00 2001
From: Dylan Araps <dylan.araps@gmail.com>
Date: Tue, 3 Nov 2020 05:57:14 +0200
Subject: [PATCH] memory: Support MemAvailable

---
 pfetch | 18 +++++++++++++++++-
 1 file changed, 17 insertions(+), 1 deletion(-)

diff --git a/pfetch b/pfetch
index 4c0c34b..dc75bea 100755
--- a/pfetch
+++ b/pfetch
@@ -599,10 +599,26 @@ get_memory() {
                     (MemFree|Buffers|Cached|SReclaimable)
                         mem_used=$((mem_used - val))
                     ;;
+
+                    # If detected this will be used over the above calculation
+                    # for mem_used. Available since Linux 3.14rc.
+                    # See kernel commit 34e431b0ae398fc54ea69ff85ec700722c9da773
+                    (MemAvailable)
+                        mem_avail=$val
+                    ;;
                 esac
             done < /proc/meminfo
 
-            mem_used=$((mem_used / 1024))
+            case $mem_avail in
+                (*[0-9]*)
+                    mem_used=$(((mem_full - mem_avail) / 1024))
+                ;;
+
+                *)
+                    mem_used=$((mem_used / 1024))
+                ;;
+            esac
+
             mem_full=$((mem_full / 1024))
         ;;