diff --git a/mm/memory.c b/mm/memory.c
index 5f863b1a0edc..7fb87a9c025a 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -1697,6 +1697,7 @@ static void unmap_single_vma(struct mmu_gather *tlb,
  * @vma: the starting vma
  * @start_addr: virtual address at which to start unmapping
  * @end_addr: virtual address at which to end unmapping
+ * @mm_wr_locked: lock flag
  *
  * Unmap all pages in the vma list.
  *
@@ -5084,7 +5085,7 @@ retry_pud:
 
 /**
  * mm_account_fault - Do page fault accounting
- *
+ * @mm: mm from which memcg should be extracted. It can be NULL.
  * @regs: the pt_regs struct pointer.  When set to NULL, will skip accounting
  *        of perf event counters, but we'll still do the per-task accounting to
  *        the task who triggered this page fault.