diff options
Diffstat (limited to 'mm')
-rw-r--r-- | mm/memcontrol.c | 37 |
1 files changed, 0 insertions, 37 deletions
diff --git a/mm/memcontrol.c b/mm/memcontrol.c index 7b9766789a27..605f671203ef 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -1343,43 +1343,6 @@ void lruvec_memcg_debug(struct lruvec *lruvec, struct page *page) #endif /** - * mem_cgroup_page_lruvec - return lruvec for isolating/putting an LRU page - * @page: the page - * @pgdat: pgdat of the page - * - * This function relies on page's memcg being stable - see the - * access rules in commit_charge(). - */ -struct lruvec *mem_cgroup_page_lruvec(struct page *page, struct pglist_data *pgdat) -{ - struct mem_cgroup_per_node *mz; - struct mem_cgroup *memcg; - struct lruvec *lruvec; - - if (mem_cgroup_disabled()) { - lruvec = &pgdat->__lruvec; - goto out; - } - - memcg = page_memcg(page); - VM_WARN_ON_ONCE_PAGE(!memcg, page); - if (!memcg) - memcg = root_mem_cgroup; - - mz = mem_cgroup_page_nodeinfo(memcg, page); - lruvec = &mz->lruvec; -out: - /* - * Since a node can be onlined after the mem_cgroup was created, - * we have to be prepared to initialize lruvec->zone here; - * and if offlined then reonlined, we need to reinitialize it. - */ - if (unlikely(lruvec->pgdat != pgdat)) - lruvec->pgdat = pgdat; - return lruvec; -} - -/** * lock_page_lruvec - lock and return lruvec for a given page. * @page: the page * |