--- linux/fs/proc/proc_misc.c.orig	Fri Jun  6 12:13:44 2003
+++ linux/fs/proc/proc_misc.c	Fri Jun  6 12:14:46 2003
@@ -51,6 +51,9 @@
 #include <asm/tlb.h>
 #include <asm/div64.h>
 
+/* System boot time in seconds since the UNIX epoch.  */
+static time_t boottime;
+
 #define LOAD_INT(x) ((x) >> FSHIFT)
 #define LOAD_FRAC(x) LOAD_INT(((x) & (FIXED_1-1)) * 100)
 /*
@@ -378,7 +381,6 @@
 {
 	int i, len;
 	extern unsigned long total_forks;
-	u64 jif = get_jiffies_64() - INITIAL_JIFFIES;
 	unsigned int sum = 0, user = 0, nice = 0, system = 0, idle = 0, iowait = 0;
 
 	for (i = 0 ; i < NR_CPUS; i++) {
@@ -419,15 +421,14 @@
 		len += sprintf(page + len, " %u", kstat_irqs(i));
 #endif
 
-	do_div(jif, HZ);
 	len += sprintf(page + len,
 		"\nctxt %lu\n"
-		"btime %lu\n"
+		"btime %ld\n"
 		"processes %lu\n"
 		"procs_running %lu\n"
 		"procs_blocked %lu\n",
 		nr_context_switches(),
-		xtime.tv_sec - (unsigned long) jif,
+		boottime,
 		total_forks,
 		nr_running(),
 		nr_iowait());
@@ -612,6 +613,7 @@
 
 void __init proc_misc_init(void)
 {
+	u64 jif = get_jiffies_64() - INITIAL_JIFFIES;
 	struct proc_dir_entry *entry;
 	static struct {
 		char *name;
@@ -638,6 +640,10 @@
 		{"execdomains",	execdomains_read_proc},
 		{NULL,}
 	};
+
+	/* Intialise system boot time before creating /proc/stat entry. */
+	do_div(jif, HZ);
+	boottime = xtime.tv_sec - (time_t)jif;
 	for (p = simple_ones; p->name; p++)
 		create_proc_read_entry(p->name, 0, NULL, p->read_proc, NULL);