memcg: gix memory accounting scalability in shrink_page_list

[cascardo/linux.git] / mm / vmscan.c

diff --git a/mm/vmscan.c b/mm/vmscan.c
index e37e687..8d01243 100644 (file)
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -687,6 +687,7 @@ static unsigned long shrink_page_list(struct list_head *page_list,
 
        cond_resched();
 
+       mem_cgroup_uncharge_start();
        while (!list_empty(page_list)) {
                enum page_references references;
                struct address_space *mapping;
@@ -953,6 +954,7 @@ keep:
 
        list_splice(&ret_pages, page_list);
        count_vm_events(PGACTIVATE, pgactivate);
+       mem_cgroup_uncharge_end();
        *ret_nr_dirty += nr_dirty;
        *ret_nr_writeback += nr_writeback;
        return nr_reclaimed;