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| author | Wei Yang <richard.weiyang@linux.alibaba.com> | 2020-10-14 01:56:23 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2020-10-14 03:38:34 +0200 |
| commit | a1ddc2e8250eb550733a3f257ea299a84492d8a7 (patch) | |
| tree | b16ae8fa446f54e5737ec954c6ee280cf7a4c563 /mm | |
| parent | mm/hugetlb: not necessary to coalesce regions recursively (diff) | |
| download | linux-a1ddc2e8250eb550733a3f257ea299a84492d8a7.tar.xz linux-a1ddc2e8250eb550733a3f257ea299a84492d8a7.zip | |
mm/hugetlb: remove VM_BUG_ON(!nrg) in get_file_region_entry_from_cache()
We are sure to get a valid file_region, otherwise the
VM_BUG_ON(resv->region_cache_count <= 0) at the very beginning would be
triggered.
Let's remove the redundant one.
Signed-off-by: Wei Yang <richard.weiyang@linux.alibaba.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: Mike Kravetz <mike.kravetz@oracle.com>
Cc: Baoquan He <bhe@redhat.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Link: https://lkml.kernel.org/r/20200831022351.20916-3-richard.weiyang@linux.alibaba.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm')
| -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 dc2977750e85..39f86bbcb07e 100644 --- a/mm/hugetlb.c +++ b/mm/hugetlb.c @@ -240,7 +240,6 @@ get_file_region_entry_from_cache(struct resv_map *resv, long from, long to) resv->region_cache_count--; nrg = list_first_entry(&resv->region_cache, struct file_region, link); - VM_BUG_ON(!nrg); list_del(&nrg->link); nrg->from = from; |