Here it is again, commented and split up.
First, all the loop counters.

### cpu is loop counter with only positive values. make it match
### the definition of hwrpb->nr_processors.

diff -ur linux-2.5.46/arch/alpha/kernel/err_common.c linux-2.5.46-ds20/arch/alpha/kernel/err_common.c
--- linux-2.5.46/arch/alpha/kernel/err_common.c Wed Nov 6 19:04:14 2002
+++ linux-2.5.46-ds20/arch/alpha/kernel/err_common.c Fri Nov 8 23:29:27 2002
-715,7 +715,7
 cdl_check_console_data_log(void)
 {
         struct percpu_struct *pcpu;
- int cpu;
+ unsigned long cpu;
 
         for(cpu = 0; cpu < hwrpb->nr_processors; cpu++) {
                 pcpu = (struct percpu_struct *)

### i is a loop counter with only positive values
### make it match 'count'

diff -ur linux-2.5.46/arch/alpha/kernel/irq.c linux-2.5.46-ds20/arch/alpha/kernel/irq.c
--- linux-2.5.46/arch/alpha/kernel/irq.c Wed Nov 6 19:04:14 2002
+++ linux-2.5.46-ds20/arch/alpha/kernel/irq.c Fri Nov 8 23:29:27 2002
-252,7 +252,7
 {
         unsigned char hexnum [HEX_DIGITS];
         unsigned long value;
- int i;
+ unsigned long i;
 
         if (!count)
                 return -EINVAL;

### i is a loopcounter with only positive values
###
### for_each_mem_cluster is a loop with i as loopcounter. always positive.
###
### i is is again a positive loopcounter
###

diff -ur linux-2.5.46/arch/alpha/kernel/setup.c linux-2.5.46-ds20/arch/alpha/kernel/setup.c
--- linux-2.5.46/arch/alpha/kernel/setup.c Sat Oct 19 04:01:16 2002
+++ linux-2.5.46-ds20/arch/alpha/kernel/setup.c Fri Nov 8 23:34:16 2002
-202,7 +202,7
         };
 
         struct resource *io = &ioport_resource;
- long i;
+ unsigned long i;
 
         if (hose_head) {
                 struct pci_controller *hose;
-258,7 +258,7
         unsigned long start_kernel_pfn, end_kernel_pfn;
         unsigned long bootmap_size, bootmap_pages, bootmap_start;
         unsigned long start, end;
- int i;
+ unsigned int i;
 
         /* Find free clusters, and init and free the bootmem accordingly. */
         memdesc = (struct memdesc_struct *)
-398,7 +398,7
 {
         struct memclust_struct * cluster;
         struct memdesc_struct * memdesc;
- int i;
+ unsigned int i;
 
         memdesc = (struct memdesc_struct *)
                 (hwrpb->mddt_offset + (unsigned long) hwrpb);
 

### i is positive loop counter
###

diff -ur linux-2.5.46/arch/alpha/kernel/smp.c linux-2.5.46-ds20/arch/alpha/kernel/smp.c
--- linux-2.5.46/arch/alpha/kernel/smp.c Sat Oct 19 04:01:19 2002
+++ linux-2.5.46-ds20/arch/alpha/kernel/smp.c Fri Nov 8 23:29:27 2002
-499,7 +499,7
 setup_smp(void)
 {
         struct percpu_struct *cpubase, *cpu;
- int i;
+ unsigned int i;
 
         if (boot_cpuid != 0) {
                 printk(KERN_WARNING "SMP: Booting off cpu %d instead of 0?\n",

### i and j are positive loop counters.
###

diff -ur linux-2.5.46/arch/alpha/mm/init.c linux-2.5.46-ds20/arch/alpha/mm/init.c
--- linux-2.5.46/arch/alpha/mm/init.c Sat Oct 19 04:02:30 2002
+++ linux-2.5.46-ds20/arch/alpha/mm/init.c Fri Nov 8 23:29:27 2002
-242,7 +242,7
         if (alpha_using_srm) {
                 static struct vm_struct console_remap_vm;
                 unsigned long vaddr = VMALLOC_START;
- long i, j;
+ unsigned long i, j;
 
                 /* Set up the third level PTEs and update the virtual
                    addresses of the CRB entries. */

-- 
| Thorsten Kranzkowski        Internet: dl8bcudl8bcu.de                      |
| Mobile: ++49 170 1876134       Snail: Niemannsweg 30, 49201 Dissen, Germany |
| Ampr: dl8bcudb0lj.#rpl.deu.eu, dl8bcumarvin.dl8bcu.ampr.org [44.130.8.19] |
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