page cache: use xa_lock

[linux-2.6-microblaze.git] / mm / memcontrol.c

diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 7978c6f..e074f7c 100644 (file)
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -5974,9 +5974,9 @@ void mem_cgroup_swapout(struct page *page, swp_entry_t entry)
 
        /*
         * Interrupts should be disabled here because the caller holds the
-        * mapping->tree_lock lock which is taken with interrupts-off. It is
+        * 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 udpating the per-CPU variables.
+        * only synchronisation we have for updating the per-CPU variables.
         */
        VM_BUG_ON(!irqs_disabled());
        mem_cgroup_charge_statistics(memcg, page, PageTransHuge(page),