The patch titled
Subject: mm-gup-ensure-real-head-page-is-ref-counted-when-using-hugepages-v5
has been added to the -mm tree. Its filename is
mm-gup-ensure-real-head-page-is-ref-counted-when-using-hugepages-v5.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/mm-gup-ensure-real-head-page-is-ref-counted-when-using-hugepages-v5.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/mm-gup-ensure-real-head-page-is-ref-counted-when-using-hugepages-v5.patch
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------------------------------------------------------
From: Punit Agrawal <punit.agrawal@xxxxxxx>
Subject: mm-gup-ensure-real-head-page-is-ref-counted-when-using-hugepages-v5
fix arm64 ltp failure (pth_str01, pth_str03)
(https://lkml.org/lkml/2017/6/5/332)
Link: http://lkml.kernel.org/r/20170619170145.25577-5-punit.agrawal@xxxxxxx
Signed-off-by: Punit Agrawal <punit.agrawal@xxxxxxx>
Cc: Steve Capper <steve.capper@xxxxxxx>
Cc: Michal Hocko <mhocko@xxxxxxxx>
Cc: "Kirill A. Shutemov" <kirill.shutemov@xxxxxxxxxxxxxxx>
Cc: Aneesh Kumar K.V <aneesh.kumar@xxxxxxxxxxxxxxxxxx>
Cc: Catalin Marinas <catalin.marinas@xxxxxxx>
Cc: Will Deacon <will.deacon@xxxxxxx>
Cc: Naoya Horiguchi <n-horiguchi@xxxxxxxxxxxxx>
Cc: Mark Rutland <mark.rutland@xxxxxxx>
Cc: Hillf Danton <hillf.zj@xxxxxxxxxxxxxxx>
Cc: Mike Kravetz <mike.kravetz@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/gup.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff -puN mm/gup.c~mm-gup-ensure-real-head-page-is-ref-counted-when-using-hugepages-v5 mm/gup.c
--- a/mm/gup.c~mm-gup-ensure-real-head-page-is-ref-counted-when-using-hugepages-v5
+++ a/mm/gup.c
@@ -1431,7 +1431,7 @@ static int gup_huge_pmd(pmd_t orig, pmd_
refs++;
} while (addr += PAGE_SIZE, addr != end);
- head = compound_head(page);
+ head = compound_head(pmd_page(orig));
if (!page_cache_add_speculative(head, refs)) {
*nr -= refs;
return 0;
@@ -1469,7 +1469,7 @@ static int gup_huge_pud(pud_t orig, pud_
refs++;
} while (addr += PAGE_SIZE, addr != end);
- head = compound_head(page);
+ head = compound_head(pud_page(orig));
if (!page_cache_add_speculative(head, refs)) {
*nr -= refs;
return 0;
@@ -1506,7 +1506,7 @@ static int gup_huge_pgd(pgd_t orig, pgd_
refs++;
} while (addr += PAGE_SIZE, addr != end);
- head = compound_head(page);
+ head = compound_head(pgd_page(orig));
if (!page_cache_add_speculative(head, refs)) {
*nr -= refs;
return 0;
_
Patches currently in -mm which might be from punit.agrawal@xxxxxxx are
mm-gup-ensure-real-head-page-is-ref-counted-when-using-hugepages.patch
mm-gup-ensure-real-head-page-is-ref-counted-when-using-hugepages-v5.patch
mm-hugetlb-add-size-parameter-to-huge_pte_offset.patch
mm-hugetlb-allow-architectures-to-override-huge_pte_clear.patch
mm-hugetlb-introduce-set_huge_swap_pte_at-helper.patch
mm-hugetlb-introduce-set_huge_swap_pte_at-helper-v4.patch
mm-hugetlb-introduce-set_huge_swap_pte_at-helper-v41.patch
mm-rmap-use-correct-helper-when-poisoning-hugepages.patch
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