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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2023-02-18 04:51:40 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2023-02-18 04:51:40 +0300 |
| commit | 38f8ccde04a3fa317b51b05e63c3cb57e1641931 (patch) | |
| tree | e7218f09e839531036a37a899d1f025fd944daec /include | |
| parent | dbeed98d89ea91ae68ff6dce6060671726292e85 (diff) | |
| parent | 99b9402a36f0799f25feee4465bfa4b8dfa74b4d (diff) | |
| download | linux-38f8ccde04a3fa317b51b05e63c3cb57e1641931.tar.xz | |
Merge tag 'mm-hotfixes-stable-2023-02-17-15-16-2' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull misc fixes from Andrew Morton:
"Six hotfixes. Five are cc:stable: four for MM, one for nilfs2.
Also a MAINTAINERS update"
* tag 'mm-hotfixes-stable-2023-02-17-15-16-2' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm:
nilfs2: fix underflow in second superblock position calculations
hugetlb: check for undefined shift on 32 bit architectures
mm/migrate: fix wrongly apply write bit after mkdirty on sparc64
MAINTAINERS: update FPU EMULATOR web page
mm/MADV_COLLAPSE: set EAGAIN on unexpected page refcount
mm/filemap: fix page end in filemap_get_read_batch
Diffstat (limited to 'include')
| -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 db194e2ba69f..9ab9d3105d5c 100644 --- a/include/linux/hugetlb.h +++ b/include/linux/hugetlb.h @@ -743,7 +743,10 @@ 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) |