Re: PROBLEM: Kernel 2.6.0 has a compilation error on "fs/proc/array.c"

[Marco Roeland]

On Saturday December 27th 2003 Stefano Rosellini wrote:

> [1.] Kernel 2.6.0 has a compilation error on "fs/proc/array.c"
> [7.1.] ver_linux output:
> Gnu C                  2.96

This is due to a known compiler bug in RedHat's gcc 2.96! It is
recommended that you upgrade gcc. However if you insist on trying with
that particular compiler you can use the following workaround:

--- linux-2.6.0-test8/fs/proc/array.c.orig	2003-10-21 16:18:40.000000000 +0200
+++ linux-2.6.0-test8/fs/proc/array.c	2003-10-23 09:30:27.000000000 +0200
@@ -302,6 +302,7 @@
 	pid_t ppid;
 	int num_threads = 0;
 	struct mm_struct *mm;
+	unsigned long long starttime;
 
 	state = *get_task_state(task);
 	vsize = eip = esp = 0;
@@ -343,9 +344,7 @@
 	read_lock(&tasklist_lock);
 	ppid = task->pid ? task->real_parent->pid : 0;
 	read_unlock(&tasklist_lock);
-	res = sprintf(buffer,"%d (%s) %c %d %d %d %d %d %lu %lu \
-%lu %lu %lu %lu %lu %ld %ld %ld %ld %d %ld %llu %lu %ld %lu %lu %lu %lu %lu \
-%lu %lu %lu %lu %lu %lu %lu %lu %d %d %lu %lu\n",
+	res = sprintf(buffer,"%d (%s) %c %d %d %d %d %d %lu %lu ",
 		task->pid,
 		task->comm,
 		state,
@@ -355,7 +354,9 @@
 		tty_nr,
 		tty_pgrp,
 		task->flags,
-		task->min_flt,
+		task->min_flt);
+	starttime = jiffies_64_to_clock_t(task->start_time - INITIAL_JIFFIES);
+	res += sprintf(buffer + res,"%lu %lu %lu %lu %lu %ld %ld %ld %ld %d %ld %llu %lu %ld %lu %lu %lu %lu %lu ",
 		task->cmin_flt,
 		task->maj_flt,
 		task->cmaj_flt,
@@ -367,15 +368,15 @@
 		nice,
 		num_threads,
 		jiffies_to_clock_t(task->it_real_value),
-		(unsigned long long)
-		    jiffies_64_to_clock_t(task->start_time - INITIAL_JIFFIES),
+		starttime,
 		vsize,
 		mm ? mm->rss : 0, /* you might want to shift this left 3 */
 		task->rlim[RLIMIT_RSS].rlim_cur,
 		mm ? mm->start_code : 0,
 		mm ? mm->end_code : 0,
 		mm ? mm->start_stack : 0,
-		esp,
+		esp);
+	res += sprintf(buffer + res,"%lu %lu %lu %lu %lu %lu %lu %lu %d %d %lu %lu\n",
 		eip,
 		/* The signal information here is obsolete.
 		 * It must be decimal for Linux 2.0 compatibility.

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