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authorBaolin Wang2021-11-05 13:42:01 -0700
committerLinus Torvalds2021-11-06 13:30:39 -0700
commit76efc67a5e7a3dc1226c4ad1b266a15741347031 (patch)
tree8b2ce61f8dce0cebdb4aac0bb38439986cd90d62 /mm
parent0739eb437f3d397eb39b5dc653aa250ee7b453f0 (diff)
hugetlb: remove redundant VM_BUG_ON() in add_reservation_in_range()
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(). Link: https://lkml.kernel.org/r/2b565552f3d06753da1e8dda439c0d96d6d9a5a3.1634797639.git.baolin.wang@linux.alibaba.com Signed-off-by: Baolin Wang <baolin.wang@linux.alibaba.com> Reviewed-by: Mike Kravetz <mike.kravetz@oracle.com> Cc: Michal Hocko <mhocko@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm')
-rw-r--r--mm/hugetlb.c1
1 files changed, 0 insertions, 1 deletions
diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index 1869ca9f21f3..e304326dba63 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -445,7 +445,6 @@ 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;
}