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| author | Mike Kravetz <mike.kravetz@oracle.com> | 2021-05-05 04:34:48 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2021-05-05 21:27:22 +0300 |
| commit | 262443c0421e832e5312d2b14e0a2640a9f064d7 (patch) | |
| tree | 98841651e97b3467d31ae75c4aaeb7de5a76e5c3 /mm/hugetlb.c | |
| parent | 0ef7dcac998fefc4767b7f10eb3b6df150c38a4e (diff) | |
| download | linux-262443c0421e832e5312d2b14e0a2640a9f064d7.tar.xz | |
hugetlb: no need to drop hugetlb_lock to call cma_release
Now that cma_release is non-blocking and irq safe, there is no need to
drop hugetlb_lock before calling.
Link: https://lkml.kernel.org/r/20210409205254.242291-3-mike.kravetz@oracle.com
Signed-off-by: Mike Kravetz <mike.kravetz@oracle.com>
Acked-by: Roman Gushchin <guro@fb.com>
Acked-by: Michal Hocko <mhocko@suse.com>
Reviewed-by: Oscar Salvador <osalvador@suse.de>
Reviewed-by: David Hildenbrand <david@redhat.com>
Cc: "Aneesh Kumar K . V" <aneesh.kumar@linux.ibm.com>
Cc: Barry Song <song.bao.hua@hisilicon.com>
Cc: David Rientjes <rientjes@google.com>
Cc: Hillf Danton <hdanton@sina.com>
Cc: HORIGUCHI NAOYA <naoya.horiguchi@nec.com>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Miaohe Lin <linmiaohe@huawei.com>
Cc: Mina Almasry <almasrymina@google.com>
Cc: Muchun Song <songmuchun@bytedance.com>
Cc: Peter Xu <peterx@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Shakeel Butt <shakeelb@google.com>
Cc: Waiman Long <longman@redhat.com>
Cc: Will Deacon <will@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/hugetlb.c')
| -rw-r--r-- | mm/hugetlb.c | 6 |
1 files changed, 0 insertions, 6 deletions
diff --git a/mm/hugetlb.c b/mm/hugetlb.c index 8ea8e3d2f814..a5636e1593c5 100644 --- a/mm/hugetlb.c +++ b/mm/hugetlb.c @@ -1355,14 +1355,8 @@ static void update_and_free_page(struct hstate *h, struct page *page) set_compound_page_dtor(page, NULL_COMPOUND_DTOR); set_page_refcounted(page); if (hstate_is_gigantic(h)) { - /* - * Temporarily drop the hugetlb_lock, because - * we might block in free_gigantic_page(). - */ - spin_unlock(&hugetlb_lock); destroy_compound_gigantic_page(page, huge_page_order(h)); free_gigantic_page(page, huge_page_order(h)); - spin_lock(&hugetlb_lock); } else { __free_pages(page, huge_page_order(h)); } |