[PATCH 1/4] mm/hugeltb: remove redundant VM_BUG_ON() in region_add()

[Miaohe Lin]

The same VM_BUG_ON() check is already done in the callee. Remove this extra
one to simplify the code slightly.

Signed-off-by: Miaohe Lin <linmiaohe@xxxxxxxxxx>
---
 mm/hugetlb.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index c22111f3da20..a03a50b7c410 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -556,7 +556,6 @@ static long region_add(struct resv_map *resv, long f, long t,
 	resv->adds_in_progress -= in_regions_needed;
 
 	spin_unlock(&resv->lock);
-	VM_BUG_ON(add < 0);
 	return add;
 }
 
-- 
2.19.1