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-rw-r--r--mm/page_cgroup.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/mm/page_cgroup.c b/mm/page_cgroup.c
index de1616aa9b1e..1ccbd714059c 100644
--- a/mm/page_cgroup.c
+++ b/mm/page_cgroup.c
@@ -379,13 +379,15 @@ static struct swap_cgroup *lookup_swap_cgroup(swp_entry_t ent,
pgoff_t offset = swp_offset(ent);
struct swap_cgroup_ctrl *ctrl;
struct page *mappage;
+ struct swap_cgroup *sc;
ctrl = &swap_cgroup_ctrl[swp_type(ent)];
if (ctrlp)
*ctrlp = ctrl;
mappage = ctrl->map[offset / SC_PER_PAGE];
- return page_address(mappage) + offset % SC_PER_PAGE;
+ sc = page_address(mappage);
+ return sc + offset % SC_PER_PAGE;
}
/**