3.16.7-ckt12 -stable review patch. If anyone has any objections, please let me know.
------------------
From: Luis Henriques <luis.henriques@xxxxxxxxxxxxx>
This reverts commit 65342eab7baa43fb7852aafbe99e54daf2cd6420 which is
commit 97534127012f0e396eddea4691f4c9b170aed74b upstream.
This is being reverted because it fixes a regression that was introduced
in 4.0 and does not affect 3.16 kernel.
Cc: Gerald Schaefer <gerald.schaefer@xxxxxxxxxx>
Cc: Naoya Horiguchi <n-horiguchi@xxxxxxxxxxxxx>
Cc: Hugh Dickins <hughd@xxxxxxxxxx>
Cc: Michal Hocko <mhocko@xxxxxxx>
Cc: Andrea Arcangeli <aarcange@xxxxxxxxxx>
Cc: Martin Schwidefsky <schwidefsky@xxxxxxxxxx>
Cc: David Rientjes <rientjes@xxxxxxxxxx>
Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Cc: Ben Hutchings <ben@xxxxxxxxxxxxxxx>
Signed-off-by: Luis Henriques <luis.henriques@xxxxxxxxxxxxx>
---
mm/hugetlb.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index 1e080a06e6ba..5f217e906ff9 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -3723,7 +3723,8 @@ retry:
if (!pmd_huge(*pmd))
goto out;
if (pmd_present(*pmd)) {
- page = pmd_page(*pmd) + ((address & ~PMD_MASK) >> PAGE_SHIFT);
+ page = pte_page(*(pte_t *)pmd) +
+ ((address & ~PMD_MASK) >> PAGE_SHIFT);
if (flags & FOLL_GET)
get_page(page);
} else {
--
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