1 files changed, 6 insertions, 0 deletions

diff --git a/mm/rmap.c b/mm/rmap.c
index f69d5342ce7f..4c52c56c9905 100644
--- a/mm/rmap.c
+++ b/mm/rmap.c
@@ -538,6 +538,9 @@ static int try_to_unmap_one(struct page *page, struct vm_area_struct *vma)
         if (pte_dirty(pteval))
                 set_page_dirty(page);
 
+        /* Update high watermark before we lower rss */
+        update_hiwater_rss(mm);
+
         if (PageAnon(page)) {
                 swp_entry_t entry = { .val = page->private };
                 /*
@@ -628,6 +631,9 @@ static void try_to_unmap_cluster(unsigned long cursor,
         if (!pmd_present(*pmd))
                 goto out_unlock;
 
+        /* Update high watermark before we lower rss */
+        update_hiwater_rss(mm);
+
         for (original_pte = pte = pte_offset_map(pmd, address);
                         address < end; pte++, address += PAGE_SIZE) {