diff options
Diffstat (limited to 'mm/memcontrol-v1.c')
| -rw-r--r-- | mm/memcontrol-v1.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/mm/memcontrol-v1.c b/mm/memcontrol-v1.c index 7317f2ce8876..540b45ab4b26 100644 --- a/mm/memcontrol-v1.c +++ b/mm/memcontrol-v1.c @@ -1502,6 +1502,43 @@ void memcg1_check_events(struct mem_cgroup *memcg, int nid) } } +void memcg1_commit_charge(struct folio *folio, struct mem_cgroup *memcg) +{ + unsigned long flags; + + local_irq_save(flags); + memcg1_charge_statistics(memcg, folio_nr_pages(folio)); + memcg1_check_events(memcg, folio_nid(folio)); + local_irq_restore(flags); +} + +void memcg1_swapout(struct folio *folio, struct mem_cgroup *memcg) +{ + /* + * Interrupts should be disabled here because the caller holds the + * i_pages lock which is taken with interrupts-off. It is + * important here to have the interrupts disabled because it is the + * only synchronisation we have for updating the per-CPU variables. + */ + preempt_disable_nested(); + VM_WARN_ON_IRQS_ENABLED(); + memcg1_charge_statistics(memcg, -folio_nr_pages(folio)); + preempt_enable_nested(); + memcg1_check_events(memcg, folio_nid(folio)); +} + +void memcg1_uncharge_batch(struct mem_cgroup *memcg, unsigned long pgpgout, + unsigned long nr_memory, int nid) +{ + unsigned long flags; + + local_irq_save(flags); + __count_memcg_events(memcg, PGPGOUT, pgpgout); + __this_cpu_add(memcg->events_percpu->nr_page_events, nr_memory); + memcg1_check_events(memcg, nid); + local_irq_restore(flags); +} + static int compare_thresholds(const void *a, const void *b) { const struct mem_cgroup_threshold *_a = a; |