Commit "mm, oom: introduce oom reaper" forgot to initialize the two new fields
of struct zap_details in unmap_mapping_range(). This caused using stack garbage
on the call to unmap_mapping_range_tree().

Signed-off-by: Sasha Levin <sasha.le...@oracle.com>
---
 mm/memory.c |    1 +
 1 file changed, 1 insertion(+)

diff --git a/mm/memory.c b/mm/memory.c
index 206c8cd..0e32993 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -2431,6 +2431,7 @@ void unmap_mapping_range(struct address_space *mapping,
        details.last_index = hba + hlen - 1;
        if (details.last_index < details.first_index)
                details.last_index = ULONG_MAX;
+       details.check_swap_entries = details.ignore_dirty = false;
 
 
        /* DAX uses i_mmap_lock to serialise file truncate vs page fault */
-- 
1.7.10.4

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