1 files changed, 4 insertions, 0 deletions

diff --git a/mm/mmap.c b/mm/mmap.c
index 8a111792b8db..c43b28457007 100644
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -1640,6 +1640,8 @@ find_extend_vma(struct mm_struct * mm, unsigned long addr)
  */
 static void remove_vma_list(struct mm_struct *mm, struct vm_area_struct *vma)
 {
+        /* Update high watermark before we lower total_vm */
+        update_hiwater_vm(mm);
         do {
                 long nrpages = vma_pages(vma);
 
@@ -1668,6 +1670,7 @@ static void unmap_region(struct mm_struct *mm,
         lru_add_drain();
         spin_lock(&mm->page_table_lock);
         tlb = tlb_gather_mmu(mm, 0);
+        update_hiwater_rss(mm);
         unmap_vmas(&tlb, mm, vma, start, end, &nr_accounted, NULL);
         vm_unacct_memory(nr_accounted);
         free_pgtables(&tlb, vma, prev? prev->vm_end: FIRST_USER_ADDRESS,
@@ -1953,6 +1956,7 @@ void exit_mmap(struct mm_struct *mm)
 
         flush_cache_mm(mm);
         tlb = tlb_gather_mmu(mm, 1);
+        /* Don't update_hiwater_rss(mm) here, do_exit already did */
         /* Use -1 here to ensure all VMAs in the mm are unmapped */
         end = unmap_vmas(&tlb, mm, vma, 0, -1, &nr_accounted, NULL);
         vm_unacct_memory(nr_accounted);