diff options
Diffstat (limited to 'mm/page_alloc.c')
| -rw-r--r-- | mm/page_alloc.c | 23 |
1 files changed, 12 insertions, 11 deletions
diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 2e47398ba498..7c3bee1e98ec 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -7988,6 +7988,15 @@ int lowmem_reserve_ratio_sysctl_handler(struct ctl_table *table, int write, return 0; } +static void __zone_pcp_update(struct zone *zone) +{ + unsigned int cpu; + + for_each_possible_cpu(cpu) + pageset_set_high_and_batch(zone, + per_cpu_ptr(zone->pageset, cpu)); +} + /* * percpu_pagelist_fraction - changes the pcp->high for each zone on each * cpu. It is the fraction of total pages in each zone that a hot per cpu @@ -8019,13 +8028,8 @@ int percpu_pagelist_fraction_sysctl_handler(struct ctl_table *table, int write, if (percpu_pagelist_fraction == old_percpu_pagelist_fraction) goto out; - for_each_populated_zone(zone) { - unsigned int cpu; - - for_each_possible_cpu(cpu) - pageset_set_high_and_batch(zone, - per_cpu_ptr(zone->pageset, cpu)); - } + for_each_populated_zone(zone) + __zone_pcp_update(zone); out: mutex_unlock(&pcp_batch_high_lock); return ret; @@ -8624,11 +8628,8 @@ void free_contig_range(unsigned long pfn, unsigned int nr_pages) */ void __meminit zone_pcp_update(struct zone *zone) { - unsigned cpu; mutex_lock(&pcp_batch_high_lock); - for_each_possible_cpu(cpu) - pageset_set_high_and_batch(zone, - per_cpu_ptr(zone->pageset, cpu)); + __zone_pcp_update(zone); mutex_unlock(&pcp_batch_high_lock); } |