From fec5231de4b1b09d4ce3bec8d25078c26fd9b9cc Mon Sep 17 00:00:00 2001
From: xiaoz <xiaoz93@outlook.com>
Date: Tue, 22 Dec 2020 16:35:10 +0800
Subject: [PATCH] =?UTF-8?q?=E8=AE=BE=E7=BD=AE=E8=99=9A=E6=8B=9F=E5=86=85?=
 =?UTF-8?q?=E5=AD=98?=
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---
 set_swap.sh | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/set_swap.sh b/set_swap.sh
index a4d0cb4..3b55c7c 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=`$p_mem*2`
 elif [ $p_mem -gt 2000 ] && [ $p_mem -lt 8000 ]
 	#内存大于2G，小于8G，则设置和物理内存大小一致
 	then
@@ -31,6 +31,7 @@ fi
 function set_swap(){
 	#创建swap
 	dd if=/dev/zero of=/dev/swap bs=1M count=${swap_value}
+	chmod 600 /dev/swap
 	mkswap /dev/swap
 	swapon /dev/swap
 	#写入分区表