From: Joonsoo Kim <[email protected]>
Subject: mm/mempolicy: correct putback method for isolate pages if failed

queue_pages_range() isolates hugetlbfs pages and putback_lru_pages() can't
handle these.  We should change it to putback_movable_pages().

Naoya said that it is worth going into stable, because it can break in-use
hugepage list.

Signed-off-by: Joonsoo Kim <[email protected]>
Acked-by: Rafael Aquini <[email protected]>
Reviewed-by: Naoya Horiguchi <[email protected]>
Reviewed-by: Wanpeng Li <[email protected]>
Cc: Christoph Lameter <[email protected]>
Cc: Vlastimil Babka <[email protected]>
Cc: Wanpeng Li <[email protected]>
Cc: Mel Gorman <[email protected]>
Cc: Rik van Riel <[email protected]>
Cc: Vlastimil Babka <[email protected]>
Cc: Zhang Yanfei <[email protected]>
Cc: <[email protected]>    [3.12.x]
Signed-off-by: Andrew Morton <[email protected]>
---

 mm/mempolicy.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff -puN 
mm/mempolicy.c~mm-mempolicy-correct-putback-method-for-isolate-pages-if-failed 
mm/mempolicy.c
--- 
a/mm/mempolicy.c~mm-mempolicy-correct-putback-method-for-isolate-pages-if-failed
+++ a/mm/mempolicy.c
@@ -1318,7 +1318,7 @@ static long do_mbind(unsigned long start
                if (nr_failed && (flags & MPOL_MF_STRICT))
                        err = -EIO;
        } else
-               putback_lru_pages(&pagelist);
+               putback_movable_pages(&pagelist);
 
        up_write(&mm->mmap_sem);
  mpol_out:
_
--
To unsubscribe from this list: send the line "unsubscribe stable" in
the body of a message to [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html

Reply via email to