mm: fix sleeping function warning from __put_anon_vma

[platform/adaptation/renesas_rcar/renesas_kernel.git] / mm / huge_memory.c

diff --git a/mm/huge_memory.c b/mm/huge_memory.c
index 1546655..1c42d0c 100644 (file)
--- a/mm/huge_memory.c
+++ b/mm/huge_memory.c
@@ -1611,16 +1611,23 @@ pmd_t *page_check_address_pmd(struct page *page,
                              enum page_check_address_pmd_flag flag,
                              spinlock_t **ptl)
 {
+       pgd_t *pgd;
+       pud_t *pud;
        pmd_t *pmd;
 
        if (address & ~HPAGE_PMD_MASK)
                return NULL;
 
-       pmd = mm_find_pmd(mm, address);
-       if (!pmd)
+       pgd = pgd_offset(mm, address);
+       if (!pgd_present(*pgd))
                return NULL;
+       pud = pud_offset(pgd, address);
+       if (!pud_present(*pud))
+               return NULL;
+       pmd = pmd_offset(pud, address);
+
        *ptl = pmd_lock(mm, pmd);
-       if (pmd_none(*pmd))
+       if (!pmd_present(*pmd))
                goto unlock;
        if (pmd_page(*pmd) != page)
                goto unlock;