--- procps-3.2.5/proc/sysinfo.c
+++ procps-3.2.5/proc/sysinfo.c
@@ -43,7 +43,7 @@
 #define VMINFO_FILE "/proc/vmstat"
 static int vminfo_fd = -1;
 
-static char buf[1024];
+static char buf[4096];
 
 /* This macro opens filename only if necessary and seeks to 0 so
  * that successive calls to the functions are more efficient.