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[PATCH] mm: cleanup zone_pcp 

Use zone_pcp everywhere even though NUMA code "knows" the internal details
of the zone.  Stop other people trying to copy, and it looks nicer.

Also, only print the pagesets of online cpus in zoneinfo.

Signed-off-by: Nick Piggin <npiggin@suse.de>
Cc: "Seth, Rohit" <rohit.seth@intel.com>
Cc: Christoph Lameter <christoph@lameter.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Nick Piggin 2006-01-08 01:00:41 -08:00 committed by Linus Torvalds
parent 8ad4b1fb82
commit 23316bc86f
1 changed files with 8 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
mm/page_alloc.c
View File

@ -597,7 +597,7 @@ void drain_remote_pages(void)
if (zone->zone_pgdat->node_id == numa_node_id())
continue;
pset = zone->pageset[smp_processor_id()];
pset = zone_pcp(zone, smp_processor_id());
for (i = 0; i < ARRAY_SIZE(pset->pcp); i++) {
struct per_cpu_pages *pcp;
@ -1881,12 +1881,12 @@ static int __devinit process_zones(int cpu)
for_each_zone(zone) {
zone->pageset[cpu] = kmalloc_node(sizeof(struct per_cpu_pageset),
zone_pcp(zone, cpu) = kmalloc_node(sizeof(struct per_cpu_pageset),
GFP_KERNEL, cpu_to_node(cpu));
if (!zone->pageset[cpu])
if (!zone_pcp(zone, cpu))
goto bad;
setup_pageset(zone->pageset[cpu], zone_batchsize(zone));
setup_pageset(zone_pcp(zone, cpu), zone_batchsize(zone));
if (percpu_pagelist_fraction)
setup_pagelist_highmark(zone_pcp(zone, cpu),
@ -1898,8 +1898,8 @@ bad:
for_each_zone(dzone) {
if (dzone == zone)
break;
kfree(dzone->pageset[cpu]);
dzone->pageset[cpu] = NULL;
kfree(zone_pcp(dzone, cpu));
zone_pcp(dzone, cpu) = NULL;
}
return -ENOMEM;
}
@ -1984,7 +1984,7 @@ static __devinit void zone_pcp_init(struct zone *zone)
for (cpu = 0; cpu < NR_CPUS; cpu++) {
#ifdef CONFIG_NUMA
/* Early boot. Slab allocator not functional yet */
zone->pageset[cpu] = &boot_pageset[cpu];
zone_pcp(zone, cpu) = &boot_pageset[cpu];
setup_pageset(&boot_pageset[cpu],0);
#else
setup_pageset(zone_pcp(zone,cpu), batch);
@ -2227,7 +2227,7 @@ static int zoneinfo_show(struct seq_file *m, void *arg)
seq_printf(m,
")"
"\n pagesets");
for (i = 0; i < ARRAY_SIZE(zone->pageset); i++) {
for_each_online_cpu(i) {
struct per_cpu_pageset *pageset;
int j;