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-rw-r--r--block/blk-map.c4
1 files changed, 1 insertions, 3 deletions
diff --git a/block/blk-map.c b/block/blk-map.c
index 21630dccac62..369e204d14d0 100644
--- a/block/blk-map.c
+++ b/block/blk-map.c
@@ -150,9 +150,7 @@ static int bio_copy_user_iov(struct request *rq, struct rq_map_data *map_data,
bmd->is_our_pages = !map_data;
bmd->is_null_mapped = (map_data && map_data->null_mapped);
- nr_pages = DIV_ROUND_UP(offset + len, PAGE_SIZE);
- if (nr_pages > BIO_MAX_PAGES)
- nr_pages = BIO_MAX_PAGES;
+ nr_pages = bio_max_segs(DIV_ROUND_UP(offset + len, PAGE_SIZE));
ret = -ENOMEM;
bio = bio_kmalloc(gfp_mask, nr_pages);