diff -Naur zabbix-2.0.3.orig/src/libs/zbxsysinfo/linux/proc.c zabbix-2.0.3/src/libs/zbxsysinfo/linux/proc.c
--- zabbix-2.0.3.orig/src/libs/zbxsysinfo/linux/proc.c	2012-10-04 00:41:35.000000000 +1000
+++ zabbix-2.0.3/src/libs/zbxsysinfo/linux/proc.c	2012-10-21 19:39:44.132615864 +1100
@@ -213,6 +213,7 @@
 {
 	char		tmp[MAX_STRING_LEN], *p, *p1,
 			procname[MAX_STRING_LEN],
+			memtype[MAX_STRING_LEN],
 			proccomm[MAX_STRING_LEN];
 	DIR		*dir;
 	struct dirent	*entries;
@@ -222,7 +223,7 @@
 	int		do_task, proccount = 0;
 	double		memsize = 0;
 
-	if (4 < num_param(param))
+	if (5 < num_param(param))
 		return SYSINFO_RET_FAIL;
 
 	if (0 != get_param(param, 1, procname, sizeof(procname)))
@@ -262,6 +263,13 @@
 	if (0 != get_param(param, 4, proccomm, sizeof(proccomm)))
 		*proccomm = '\0';
 
+	if (0 != get_param(param, 5, memtype, sizeof(memtype)))
+	{
+		zbx_strlcpy( memtype, "VmSize", sizeof(memtype));
+	}
+	zbx_strlcat( memtype, ":\t", sizeof( memtype));
+
+
 	if (NULL == (dir = opendir("/proc")))
 		return SYSINFO_RET_FAIL;
 
@@ -298,10 +306,10 @@
 
 		while (NULL != fgets(tmp, sizeof(tmp), f_stat))
 		{
-			if (0 != strncmp(tmp, "VmSize:\t", 8))
+			if (0 != strncmp(tmp, memtype, strlen( memtype)))
 				continue;
 
-			p = tmp + 8;
+			p = tmp + strlen(memtype);
 
 			if (NULL == (p1 = strrchr(p, ' ')))
 				continue;