Do not cache getpagesize(), it is already.

sysdeps/linux/glibtop_private.c

@@ -178,20 +178,6 @@ get_boot_time(glibtop *server)
 }
 
 
-size_t
-get_page_size(void)
-{
-	static size_t pagesize = 0;
-
-	if(G_UNLIKELY(!pagesize))
-	{
-		pagesize = getpagesize();
-	}
-
-	return pagesize;
-}
-
-
 
 gboolean
 check_cpu_line(glibtop *server, const char *line, unsigned i)

sysdeps/linux/glibtop_private.h

@@ -122,10 +122,6 @@ unsigned long
 get_boot_time(glibtop *server);
 
 
-size_t
-get_page_size(void);
-
-
 gboolean
 check_cpu_line(glibtop *server, const char *line, unsigned n);
 

sysdeps/linux/procmem.c

@@ -82,7 +82,7 @@ void
 glibtop_get_proc_mem_s (glibtop *server, glibtop_proc_mem *buf, pid_t pid)
 {
 	char buffer [BUFSIZ], *p;
-	const size_t pagesize = get_page_size();
+	const size_t pagesize = getpagesize();
 
 	memset (buf, 0, sizeof (glibtop_proc_mem));
 

sysdeps/linux/procsegment.c

@@ -53,7 +53,7 @@ glibtop_get_proc_segment_s (glibtop *server, glibtop_proc_segment *buf,
 			    pid_t pid)
 {
 	char buffer [BUFSIZ], *p;
-	const size_t pagesize = get_page_size();
+	const size_t pagesize = getpagesize();
 
 	memset (buf, 0, sizeof (glibtop_proc_segment));