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Subject[PATCH 4/4] hugetlb: Remove redundant VM_BUG_ON() in add_reservation_in_range()
Date
When calling hugetlb_resv_map_add(), we've guaranteed that the parameter
'to' is always larger than 'from', so it never returns a negative value
from hugetlb_resv_map_add(). Thus remove the redundant VM_BUG_ON().

Signed-off-by: Baolin Wang <baolin.wang@linux.alibaba.com>
---
mm/hugetlb.c | 1 -
1 file changed, 1 deletion(-)

diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index 5922629..166cfa1 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -446,7 +446,6 @@ static long add_reservation_in_range(struct resv_map *resv, long f, long t,
add += hugetlb_resv_map_add(resv, rg, last_accounted_offset,
t, h, h_cg, regions_needed);

- VM_BUG_ON(add < 0);
return add;
}

--
1.8.3.1
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