The patch titled
Subject: s390/mm: modify pmdp_invalidate to return old value.
has been removed from the -mm tree. Its filename was
s390-mm-modify-pmdp_invalidate-to-return-old-value.patch
This patch was dropped because it was merged into mainline or a subsystem tree
------------------------------------------------------
From: Martin Schwidefsky <schwidefsky@xxxxxxxxxx>
Subject: s390/mm: modify pmdp_invalidate to return old value.
It's required to avoid losing dirty and accessed bits.
Link: http://lkml.kernel.org/r/20171213105756.69879-8-kirill.shutemov@xxxxxxxxxxxxxxx
Signed-off-by: Martin Schwidefsky <schwidefsky@xxxxxxxxxx>
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx>
Cc: Vlastimil Babka <vbabka@xxxxxxx>
Cc: Andrea Arcangeli <aarcange@xxxxxxxxxx>
Cc: Michal Hocko <mhocko@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
arch/s390/include/asm/pgtable.h | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff -puN arch/s390/include/asm/pgtable.h~s390-mm-modify-pmdp_invalidate-to-return-old-value arch/s390/include/asm/pgtable.h
--- a/arch/s390/include/asm/pgtable.h~s390-mm-modify-pmdp_invalidate-to-return-old-value
+++ a/arch/s390/include/asm/pgtable.h
@@ -1505,12 +1505,12 @@ static inline pmd_t pmdp_huge_clear_flus
}
#define __HAVE_ARCH_PMDP_INVALIDATE
-static inline void pmdp_invalidate(struct vm_area_struct *vma,
+static inline pmd_t pmdp_invalidate(struct vm_area_struct *vma,
unsigned long addr, pmd_t *pmdp)
{
pmd_t pmd = __pmd(pmd_val(*pmdp) | _SEGMENT_ENTRY_INVALID);
- pmdp_xchg_direct(vma->vm_mm, addr, pmdp, pmd);
+ return pmdp_xchg_direct(vma->vm_mm, addr, pmdp, pmd);
}
#define __HAVE_ARCH_PMDP_SET_WRPROTECT
_
Patches currently in -mm which might be from schwidefsky@xxxxxxxxxx are
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