The patch titled
Subject: mm: rmap: Fix CONT-PTE/PMD size hugetlb issue when migration
has been added to the -mm mm-unstable branch. Its filename is
mm-rmap-fix-cont-pte-pmd-size-hugetlb-issue-when-migration-v4.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-rmap-fix-cont-pte-pmd-size-hugetlb-issue-when-migration-v4.patch
This patch will later appear in the mm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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------------------------------------------------------
From: Baolin Wang <baolin.wang@xxxxxxxxxxxxxxxxx>
Subject: mm: rmap: Fix CONT-PTE/PMD size hugetlb issue when migration
fix build errors for !CONFIG_MMU
Link: https://lkml.kernel.org/r/a4baca670aca637e7198d9ae4543b8873cb224dc.1652270205.git.baolin.wang@xxxxxxxxxxxxxxxxx
Signed-off-by: Baolin Wang <baolin.wang@xxxxxxxxxxxxxxxxx>
Reviewed-by: Muchun Song <songmuchun@xxxxxxxxxxxxx>
Reviewed-by: Mike Kravetz <mike.kravetz@xxxxxxxxxx>
Acked-by: David Hildenbrand <david@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
include/linux/hugetlb.h | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
--- a/include/linux/hugetlb.h~mm-rmap-fix-cont-pte-pmd-size-hugetlb-issue-when-migration-v4
+++ a/include/linux/hugetlb.h
@@ -1094,18 +1094,16 @@ static inline void set_huge_swap_pte_at(
{
}
-#ifdef CONFIG_MMU
static inline pte_t huge_ptep_clear_flush(struct vm_area_struct *vma,
unsigned long addr, pte_t *ptep)
{
- return ptep_get(ptep);
+ return *ptep;
}
static inline void set_huge_pte_at(struct mm_struct *mm, unsigned long addr,
pte_t *ptep, pte_t pte)
{
}
-#endif
#endif /* CONFIG_HUGETLB_PAGE */
static inline spinlock_t *huge_pte_lock(struct hstate *h,
_
Patches currently in -mm which might be from baolin.wang@xxxxxxxxxxxxxxxxx are
mm-change-huge_ptep_clear_flush-to-return-the-original-pte.patch
mm-change-huge_ptep_clear_flush-to-return-the-original-pte-fix-2.patch
mm-rmap-fix-cont-pte-pmd-size-hugetlb-issue-when-migration.patch
mm-rmap-fix-cont-pte-pmd-size-hugetlb-issue-when-migration-v4.patch
mm-rmap-fix-cont-pte-pmd-size-hugetlb-issue-when-unmapping.patch
