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[v2,1/5] mm/hugeltb: remove redundant VM_BUG_ON() in region_add()

Message ID 20210410072348.20437-2-linmiaohe@huawei.com (mailing list archive)
State New, archived
Headers show
Series Cleanup and fixup for hugetlb | expand

Commit Message

Miaohe Lin April 10, 2021, 7:23 a.m. UTC 
The same VM_BUG_ON() check is already done in the callee. Remove this extra
one to simplify the code slightly.

Reviewed-by: Mike Kravetz <mike.kravetz@oracle.com>
Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
---
 mm/hugetlb.c | 1 -
 1 file changed, 1 deletion(-)
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Patch

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;
 }