The patch titled
Subject: mm: mincore: add hwpoison page handle
has been added to the -mm tree. Its filename is
mm-mincore-add-hwpoison-page-handle.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/mm-mincore-add-hwpoison-page-handle.patch
echo and later at
echo http://ozlabs.org/~akpm/mmotm/broken-out/mm-mincore-add-hwpoison-page-handle.patch
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------------------------------------------------------
From: Weijie Yang <weijie.yang@xxxxxxxxxxx>
Subject: mm: mincore: add hwpoison page handle
When the encountered pte is a swap entry, the current code handles two
cases: migration and normal swapentry, but we have a third case: hwpoison
page.
This patch adds hwpoison page handle, consider hwpoison page incore as
same as migration.
Signed-off-by: Weijie Yang <weijie.yang@xxxxxxxxxxx>
Acked-by: Johannes Weiner <hannes@xxxxxxxxxxx>
Cc: Mel Gorman <mgorman@xxxxxxxx>
Cc: Hugh Dickins <hughd@xxxxxxxxxx>
Cc: Rik van Riel <riel@xxxxxxxxxx>
Cc: Naoya Horiguchi <n-horiguchi@xxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/mincore.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff -puN mm/mincore.c~mm-mincore-add-hwpoison-page-handle mm/mincore.c
--- a/mm/mincore.c~mm-mincore-add-hwpoison-page-handle
+++ a/mm/mincore.c
@@ -137,8 +137,8 @@ static void mincore_pte_range(struct vm_
} else { /* pte is a swap entry */
swp_entry_t entry = pte_to_swp_entry(pte);
- if (is_migration_entry(entry)) {
- /* migration entries are always uptodate */
+ if (non_swap_entry(entry)) {
+ /* migration or hwpoison entries are always uptodate */
*vec = 1;
} else {
#ifdef CONFIG_SWAP
_
Patches currently in -mm which might be from weijie.yang@xxxxxxxxxxx are
zram-avoid-kunmap_atomic-a-null-pointer.patch
mm-page_isolation-check-pfn-validity-before-access.patch
mm-mincore-add-hwpoison-page-handle.patch
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