The patch titled
Subject: mm/pagewalk.c: fix end address calculation in walk_page_range()
has been removed from the -mm tree. Its filename was
pagewalk-update-page-table-walker-core-fix-end-address-calculation-in-walk_page_range.patch
This patch was dropped because it was nacked
------------------------------------------------------
From: Naoya Horiguchi <n-horiguchi@xxxxxxxxxxxxx>
Subject: mm/pagewalk.c: fix end address calculation in walk_page_range()
When we try to walk over inside a vma, walk_page_range() tries to walk
until vma->vm_end even if a given end is before that point.
So this patch takes the smaller one as an end address.
Signed-off-by: Naoya Horiguchi <n-horiguchi@xxxxxxxxxxxxx>
Cc: Sasha Levin <sasha.levin@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/pagewalk.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff -puN mm/pagewalk.c~pagewalk-update-page-table-walker-core-fix-end-address-calculation-in-walk_page_range mm/pagewalk.c
--- a/mm/pagewalk.c~pagewalk-update-page-table-walker-core-fix-end-address-calculation-in-walk_page_range
+++ a/mm/pagewalk.c
@@ -321,8 +321,9 @@ int walk_page_range(unsigned long start,
next = vma->vm_start;
} else { /* inside the found vma */
walk->vma = vma;
- next = vma->vm_end;
- err = walk_page_test(start, end, walk);
+ next = min_t(unsigned long, end, vma->vm_end);
+
+ err = walk_page_test(start, next, walk);
if (skip_lower_level_walking(walk))
continue;
if (err)
_
Patches currently in -mm which might be from n-horiguchi@xxxxxxxxxxxxx are
hwpoison-fix-the-handling-path-of-the-victimized-page-frame-that-belong-to-non-lur.patch
mm-hugetlbfs-fix-rmapping-for-anonymous-hugepages-with-page_pgoff.patch
mm-hugetlbfs-fix-rmapping-for-anonymous-hugepages-with-page_pgoff-v2.patch
mm-hugetlbfs-fix-rmapping-for-anonymous-hugepages-with-page_pgoff-v3.patch
mm-hugetlbfs-fix-rmapping-for-anonymous-hugepages-with-page_pgoff-v3-fix.patch
pagewalk-update-page-table-walker-core-fix-end-address-calculation-in-walk_page_range-fix.patch
pagewalk-update-page-table-walker-core-fix.patch
pagewalk-add-walk_page_vma.patch
smaps-redefine-callback-functions-for-page-table-walker.patch
clear_refs-redefine-callback-functions-for-page-table-walker.patch
pagemap-redefine-callback-functions-for-page-table-walker.patch
pagemap-redefine-callback-functions-for-page-table-walker-fix.patch
numa_maps-redefine-callback-functions-for-page-table-walker.patch
memcg-redefine-callback-functions-for-page-table-walker.patch
arch-powerpc-mm-subpage-protc-use-walk_page_vma-instead-of-walk_page_range.patch
pagewalk-remove-argument-hmask-from-hugetlb_entry.patch
pagewalk-remove-argument-hmask-from-hugetlb_entry-fix.patch
pagewalk-remove-argument-hmask-from-hugetlb_entry-fix-fix.patch
mempolicy-apply-page-table-walker-on-queue_pages_range.patch
mm-pagewalkc-move-pte-null-check.patch
mm-prom-pid-clear_refs-avoid-split_huge_page.patch
mm-pagewalk-remove-pgd_entry-and-pud_entry.patch
mm-pagewalk-replace-mm_walk-skip-with-more-general-mm_walk-control.patch
mm-pagewalk-replace-mm_walk-skip-with-more-general-mm_walk-control-fix.patch
madvise-cleanup-swapin_walk_pmd_entry.patch
madvise-cleanup-swapin_walk_pmd_entry-fix.patch
memcg-separate-mem_cgroup_move_charge_pte_range.patch
memcg-separate-mem_cgroup_move_charge_pte_range-checkpatch-fixes.patch
arch-powerpc-mm-subpage-protc-cleanup-subpage_walk_pmd_entry.patch
mm-pagewalk-move-pmd_trans_huge_lock-from-callbacks-to-common-code.patch
mm-pagewalk-move-pmd_trans_huge_lock-from-callbacks-to-common-code-checkpatch-fixes.patch
mincore-apply-page-table-walker-on-do_mincore.patch
mincore-apply-page-table-walker-on-do_mincore-fix.patch
mm-introduce-do_shared_fault-and-drop-do_fault-fix-fix.patch
do_shared_fault-check-that-mmap_sem-is-held.patch
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