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-rw-r--r--mm/rmap.c6
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) {