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| author | Baolin Wang <baolin.wang@linux.alibaba.com> | 2021-11-05 13:42:01 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2021-11-06 13:30:39 -0700 |
| commit | 76efc67a5e7a3dc1226c4ad1b266a15741347031 (patch) | |
| tree | 8b2ce61f8dce0cebdb4aac0bb38439986cd90d62 | |
| parent | 0739eb437f3d397eb39b5dc653aa250ee7b453f0 (diff) | |
| download | linux-76efc67a5e7a3dc1226c4ad1b266a15741347031.tar.bz2 | |
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>
| -rw-r--r-- | mm/hugetlb.c | 1 |
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; } |