mm/gup: Mark all pages PageReferenced in generic get_user_pages_fast()

[mirror_ubuntu-bionic-kernel.git] / mm / gup.c

diff --git a/mm/gup.c b/mm/gup.c
index e83db38deb17df3bbf0fa3058da540ec4f081a81..2b6cd35734570dd09f98cdb8d263187b33f5f15c 100644 (file)
--- a/mm/gup.c
+++ b/mm/gup.c
@@ -1238,6 +1238,8 @@ static int gup_pte_range(pmd_t pmd, unsigned long addr, unsigned long end,
                }
 
                VM_BUG_ON_PAGE(compound_head(page) != head, page);
+
+               SetPageReferenced(page);
                pages[*nr] = page;
                (*nr)++;
 
@@ -1299,6 +1301,7 @@ static int gup_huge_pmd(pmd_t orig, pmd_t *pmdp, unsigned long addr,
                return 0;
        }
 
+       SetPageReferenced(head);
        return 1;
 }
 
@@ -1334,6 +1337,7 @@ static int gup_huge_pud(pud_t orig, pud_t *pudp, unsigned long addr,
                return 0;
        }
 
+       SetPageReferenced(head);
        return 1;
 }
 
@@ -1370,6 +1374,7 @@ static int gup_huge_pgd(pgd_t orig, pgd_t *pgdp, unsigned long addr,
                return 0;
        }
 
+       SetPageReferenced(head);
        return 1;
 }