move_pages() syscall may return success in case that
do_move_page_to_node_array return positive value which means migration failed.
This patch changes return value of do_move_page_to_node_array
for not returning positive value. It can fix the problem.
Signed-off-by: Joonsoo Kim <js1...@gmail.com>
Cc: Brice Goglin <br...@myri.com>
Cc: Christoph Lameter <c...@linux.com>
Cc: Minchan Kim <minc...@kernel.org>
diff --git a/mm/migrate.c b/mm/migrate.c
index f495c58..eeaf409 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -1172,7 +1172,7 @@ set_status:
}
up_read(&mm->mmap_sem);
- return err;
+ return err > 0 ? -EBUSY : err;
}
/*
--
1.7.9.5
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