diff options
Diffstat (limited to 'mm/memcontrol.c')
| -rw-r--r-- | mm/memcontrol.c | 25 |
1 files changed, 3 insertions, 22 deletions
diff --git a/mm/memcontrol.c b/mm/memcontrol.c index 6c83cf4ed970..6f6dc8712e39 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -5340,14 +5340,6 @@ static int mem_cgroup_move_account(struct page *page, __mod_lruvec_state(to_vec, NR_WRITEBACK, nr_pages); } -#ifdef CONFIG_TRANSPARENT_HUGEPAGE - if (compound && !list_empty(page_deferred_list(page))) { - spin_lock(&from->deferred_split_queue.split_queue_lock); - list_del_init(page_deferred_list(page)); - from->deferred_split_queue.split_queue_len--; - spin_unlock(&from->deferred_split_queue.split_queue_lock); - } -#endif /* * It is safe to change page->mem_cgroup here because the page * is referenced, charged, and isolated - we can't race with @@ -5357,16 +5349,6 @@ static int mem_cgroup_move_account(struct page *page, /* caller should have done css_get */ page->mem_cgroup = to; -#ifdef CONFIG_TRANSPARENT_HUGEPAGE - if (compound && list_empty(page_deferred_list(page))) { - spin_lock(&to->deferred_split_queue.split_queue_lock); - list_add_tail(page_deferred_list(page), - &to->deferred_split_queue.split_queue); - to->deferred_split_queue.split_queue_len++; - spin_unlock(&to->deferred_split_queue.split_queue_lock); - } -#endif - spin_unlock_irqrestore(&from->move_lock, flags); ret = 0; @@ -6651,7 +6633,6 @@ void mem_cgroup_migrate(struct page *oldpage, struct page *newpage) { struct mem_cgroup *memcg; unsigned int nr_pages; - bool compound; unsigned long flags; VM_BUG_ON_PAGE(!PageLocked(oldpage), oldpage); @@ -6673,8 +6654,7 @@ void mem_cgroup_migrate(struct page *oldpage, struct page *newpage) return; /* Force-charge the new page. The old one will be freed soon */ - compound = PageTransHuge(newpage); - nr_pages = compound ? hpage_nr_pages(newpage) : 1; + nr_pages = hpage_nr_pages(newpage); page_counter_charge(&memcg->memory, nr_pages); if (do_memsw_account()) @@ -6684,7 +6664,8 @@ void mem_cgroup_migrate(struct page *oldpage, struct page *newpage) commit_charge(newpage, memcg, false); local_irq_save(flags); - mem_cgroup_charge_statistics(memcg, newpage, compound, nr_pages); + mem_cgroup_charge_statistics(memcg, newpage, PageTransHuge(newpage), + nr_pages); memcg_check_events(memcg, newpage); local_irq_restore(flags); } |