From 5e61022be1d0d25c3133fc43fe6b958a5297200e Mon Sep 17 00:00:00 2001
From: xiaoz <xiaoz93@outlook.com>
Date: Tue, 22 Dec 2020 16:40:25 +0800
Subject: [PATCH] fix bug

---
 set_swap.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/set_swap.sh b/set_swap.sh
index 3b55c7c..8761271 100644
--- a/set_swap.sh
+++ b/set_swap.sh
@@ -16,7 +16,7 @@ get_swap=`free -mt|grep 'Swap'|awk '{print $2}'`
 #内存如果小于2g，则设置2倍
 if [ $p_mem -lt 2000 ]
 	then
-	swap_value=`$p_mem*2`
+	swap_value=`expr $p_mem * 2`
 elif [ $p_mem -gt 2000 ] && [ $p_mem -lt 8000 ]
 	#内存大于2G，小于8G，则设置和物理内存大小一致
 	then