Merge branches 'arm/rockchip', 'arm/exynos', 'arm/smmu', 'x86/vt-d', 'x86/amd', ...

[sfrench/cifs-2.6.git] / mm / memcontrol.c

diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 14c2f2017e37cc405e52cb12bc30b128997f1f8e..a04225d372ba3ab77516b970c10135b19def3ac4 100644 (file)
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -2323,6 +2323,8 @@ done_restock:
        css_get_many(&memcg->css, batch);
        if (batch > nr_pages)
                refill_stock(memcg, batch - nr_pages);
+       if (!(gfp_mask & __GFP_WAIT))
+               goto done;
        /*
         * If the hierarchy is above the normal consumption range,
         * make the charging task trim their excess contribution.
@@ -5833,9 +5835,7 @@ void mem_cgroup_swapout(struct page *page, swp_entry_t entry)
        if (!mem_cgroup_is_root(memcg))
                page_counter_uncharge(&memcg->memory, 1);
 
-       /* XXX: caller holds IRQ-safe mapping->tree_lock */
-       VM_BUG_ON(!irqs_disabled());
-
+       /* Caller disabled preemption with mapping->tree_lock */
        mem_cgroup_charge_statistics(memcg, page, -1);
        memcg_check_events(memcg, page);
 }