diff options
| author | Kefeng Wang <wangkefeng.wang@huawei.com> | 2025-09-10 21:39:56 +0800 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2025-09-21 14:22:11 -0700 |
| commit | 4a25f995bd59843a898b531bb3e472d710ef9439 (patch) | |
| tree | c5bb8552e14aba85f2ae1d62c50d2c3fa3129eb7 /include/linux | |
| parent | 4094d3434b25a1f0524c28bc3a253fd09d05c361 (diff) | |
mm: hugetlb: directly pass order when allocate a hugetlb folio
Use order instead of struct hstate to remove huge_page_order() call from
all hugetlb folio allocation, also order_is_gigantic() is added to check
whether it is a gigantic order.
Link: https://lkml.kernel.org/r/20250910133958.301467-4-wangkefeng.wang@huawei.com
Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Acked-by: Oscar Salvador <osalvador@suse.de>
Reviewed-by: Sidhartha Kumar <sidhartha.kumar@oracle.com>
Reviewed-by: Jane Chu <jane.chu@oracle.com>
Reviewed-by: Zi Yan <ziy@nvidia.com>
Cc: Brendan Jackman <jackmanb@google.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Muchun Song <muchun.song@linux.dev>
Cc: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/hugetlb.h | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h index 526d27e88b3b..8e63e46b8e1f 100644 --- a/include/linux/hugetlb.h +++ b/include/linux/hugetlb.h @@ -788,9 +788,14 @@ static inline unsigned huge_page_shift(struct hstate *h) return h->order + PAGE_SHIFT; } +static inline bool order_is_gigantic(unsigned int order) +{ + return order > MAX_PAGE_ORDER; +} + static inline bool hstate_is_gigantic(struct hstate *h) { - return huge_page_order(h) > MAX_PAGE_ORDER; + return order_is_gigantic(huge_page_order(h)); } static inline unsigned int pages_per_huge_page(const struct hstate *h) |