The patch titled
thp: mprotect: pass vma down to page table walkers
has been removed from the -mm tree. Its filename was
thp-mprotect-pass-vma-down-to-page-table-walkers.patch
This patch was dropped because it was merged into mainline or a subsystem tree
The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/
------------------------------------------------------
Subject: thp: mprotect: pass vma down to page table walkers
From: Johannes Weiner <hannes@xxxxxxxxxxx>
Flushing the tlb for huge pmds requires the vma's anon_vma, so pass along
the vma instead of the mm, we can always get the latter when we need it.
Signed-off-by: Johannes Weiner <hannes@xxxxxxxxxxx>
Signed-off-by: Andrea Arcangeli <aarcange@xxxxxxxxxx>
Reviewed-by: Rik van Riel <riel@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/mprotect.c | 15 +++++++++------
1 file changed, 9 insertions(+), 6 deletions(-)
diff -puN mm/mprotect.c~thp-mprotect-pass-vma-down-to-page-table-walkers mm/mprotect.c
--- a/mm/mprotect.c~thp-mprotect-pass-vma-down-to-page-table-walkers
+++ a/mm/mprotect.c
@@ -78,7 +78,7 @@ static void change_pte_range(struct mm_s
pte_unmap_unlock(pte - 1, ptl);
}
-static inline void change_pmd_range(struct mm_struct *mm, pud_t *pud,
+static inline void change_pmd_range(struct vm_area_struct *vma, pud_t *pud,
unsigned long addr, unsigned long end, pgprot_t newprot,
int dirty_accountable)
{
@@ -88,14 +88,15 @@ static inline void change_pmd_range(stru
pmd = pmd_offset(pud, addr);
do {
next = pmd_addr_end(addr, end);
- split_huge_page_pmd(mm, pmd);
+ split_huge_page_pmd(vma->vm_mm, pmd);
if (pmd_none_or_clear_bad(pmd))
continue;
- change_pte_range(mm, pmd, addr, next, newprot, dirty_accountable);
+ change_pte_range(vma->vm_mm, pmd, addr, next, newprot,
+ dirty_accountable);
} while (pmd++, addr = next, addr != end);
}
-static inline void change_pud_range(struct mm_struct *mm, pgd_t *pgd,
+static inline void change_pud_range(struct vm_area_struct *vma, pgd_t *pgd,
unsigned long addr, unsigned long end, pgprot_t newprot,
int dirty_accountable)
{
@@ -107,7 +108,8 @@ static inline void change_pud_range(stru
next = pud_addr_end(addr, end);
if (pud_none_or_clear_bad(pud))
continue;
- change_pmd_range(mm, pud, addr, next, newprot, dirty_accountable);
+ change_pmd_range(vma, pud, addr, next, newprot,
+ dirty_accountable);
} while (pud++, addr = next, addr != end);
}
@@ -127,7 +129,8 @@ static void change_protection(struct vm_
next = pgd_addr_end(addr, end);
if (pgd_none_or_clear_bad(pgd))
continue;
- change_pud_range(mm, pgd, addr, next, newprot, dirty_accountable);
+ change_pud_range(vma, pgd, addr, next, newprot,
+ dirty_accountable);
} while (pgd++, addr = next, addr != end);
flush_tlb_range(vma, start, end);
}
_
Patches currently in -mm which might be from hannes@xxxxxxxxxxx are
origin.patch
writeback-check-skipped-pages-on-wb_sync_all.patch
writeback-check-skipped-pages-on-wb_sync_all-update.patch
writeback-check-skipped-pages-on-wb_sync_all-update-fix.patch
mm-deactivate-invalidated-pages.patch
mm-deactivate-invalidated-pages-fix.patch
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