Use MemAvailable to determine the memory usage.HEADmaster

1 files changed, 7 insertions, 2 deletions

diff --git a/statusbar.c b/statusbar.c
index 08c0c86..5388038 100644
--- a/statusbar.c
+++ b/statusbar.c
@@ -129,7 +129,7 @@ static void status_mem(void)
 {
 	FILE *fp;
 	char line[256], field[128];
-	unsigned long long value, total = 0, free = 0, cached = 0;
+	unsigned long long value, total = 0, free = 0, cached = 0, avail = 0;
 	double used;
 
 	if ((fp = fopen("/proc/meminfo", "r")) == NULL) {
@@ -141,13 +141,18 @@ static void status_mem(void)
 				total = value;
 			else if (strcmp(field, "MemFree:") == 0)
 				free = value;
+			else if (strcmp(field, "MemAvailable:") == 0)
+				avail = value;
 			else if (strcmp(field, "Cached:") == 0)
 				cached = value;
 		}
 	}
 	fclose(fp);
 
-	used = (total - free - cached) * 100.0 / total;
+	if (avail < 1) {
+		avail = free + cached;
+	}
+	used = (total - avail) * 100.0 / total;
 	add_status("Mem %s%2.f%s%%", used > 90.0 ? HOT : COOL, used, NORMAL);
 }