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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2017-04-10 15:13:06 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2017-04-10 15:13:06 +0200
commit523aa3586ffb1fc11a9bf88f77ebaf71a15eb998 (patch)
tree1fe96f54e8f1e667798a49ae4b3f951feb136ae0 /mm/migrate.c
parentfd0f50db2eb72555ef8f70af14c1e3ee2079b32c (diff)
parent39da7c509acff13fc8cb12ec1bb20337c988ed36 (diff)
Merge 4.11-rc6 into driver-core-next
We want the fixes in here as well for testing. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'mm/migrate.c')
-rw-r--r--mm/migrate.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/mm/migrate.c b/mm/migrate.c
index 9a0897a14d37..ed97c2c14fa8 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -209,8 +209,11 @@ static int remove_migration_pte(struct page *page, struct vm_area_struct *vma,
VM_BUG_ON_PAGE(PageTail(page), page);
while (page_vma_mapped_walk(&pvmw)) {
- new = page - pvmw.page->index +
- linear_page_index(vma, pvmw.address);
+ if (PageKsm(page))
+ new = page;
+ else
+ new = page - pvmw.page->index +
+ linear_page_index(vma, pvmw.address);
get_page(new);
pte = pte_mkold(mk_pte(new, READ_ONCE(vma->vm_page_prot)));