Get pagesize only once during initialization

diff --git a/src/zone.c b/src/zone.c
index c5eacef..6a01b29 100644 (file)
--- a/src/zone.c
+++ b/src/zone.c
@@ -42,6 +42,12 @@ typedef struct zone_stats {
 
 static long pagesize;
 
+static int zone_init (void)
+{
+       pagesize = sysconf(_SC_PAGESIZE);
+       return (0);
+}
+
 static int
 zone_compare(const zoneid_t *a, const zoneid_t *b)
 {
@@ -144,7 +150,6 @@ zone_scandir(DIR *procdir)
        psinfo_t      psinfo;
        c_avl_tree_t *tree;
        zone_stats_t *stats;
-/*     size_t    physmem = sysconf(_SC_PHYS_PAGES) * pagesize;*/
 
        if (!(tree=c_avl_create((void *) zone_compare))) {
                WARNING("zone plugin: Failed to create tree");
@@ -176,7 +181,6 @@ static int zone_read (void)
        DIR          *procdir;
        c_avl_tree_t *tree;
 
-       pagesize = sysconf(_SC_PAGESIZE);
        if ((procdir = opendir("/proc")) == NULL) {
                ERROR("zone plugin: cannot open /proc directory\n");
                exit(1);
@@ -190,5 +194,6 @@ static int zone_read (void)
 
 void module_register (void)
 {
+       plugin_register_init ("zone", zone_init);
        plugin_register_read ("zone", zone_read);
 } /* void module_register */