memory plugin: Check `pagesize' when initializing, not when reading.

diff --git a/src/memory.c b/src/memory.c
index 0926c59..d6c3c88 100644 (file)
--- a/src/memory.c
+++ b/src/memory.c
@@ -87,6 +87,11 @@ static int memory_init (void)
 
 #elif HAVE_SYSCTL
        pagesize = getpagesize ();
+       if (pagesize <= 0)
+       {
+               ERROR ("memory plugin: Invalid pagesize: %i", pagesize);
+               return (-1);
+       }
 /* #endif HAVE_SYSCTL */
 
 #elif HAVE_SYSCTLBYNAME
@@ -187,12 +192,6 @@ static int memory_read (void)
        struct vmtotal vmtotal;
        size_t size;
 
-       if (pagesize <= 0)
-       {
-               ERROR ("memory plugin: Invalid pagesize: %i", pagesize);
-               return (-1);
-       }
-
        memset (&vmtotal, 0, sizeof (vmtotal));
        size = sizeof (vmtotal);
 
@@ -203,6 +202,7 @@ static int memory_read (void)
                return (-1);
        }
 
+       assert (pagesize > 0);
        memory_submit ("active",   vmtotal.t_arm * pagesize);
        memory_submit ("inactive", (vmtotal.t_rm - vmtotal.t_arm) * pagesize);
        memory_submit ("free",     vmtotal.t_free * pagesize);