diff options
Diffstat (limited to 'include/linux/hugetlb.h')
| -rw-r--r-- | include/linux/hugetlb.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h index 70709d16c088..354d320c3fd6 100644 --- a/include/linux/hugetlb.h +++ b/include/linux/hugetlb.h @@ -405,7 +405,10 @@ static inline struct hstate *hstate_sizelog(int page_size_log) if (!page_size_log) return &default_hstate; - return size_to_hstate(1UL << page_size_log); + if (page_size_log < BITS_PER_LONG) + return size_to_hstate(1UL << page_size_log); + + return NULL; } static inline struct hstate *hstate_vma(struct vm_area_struct *vma) |