diff mbox series

[rfc,2/2] mm: hugetlb: don't drop hugetlb_lock around cma_release() call

Message ID 20201016225254.3853109-3-guro@fb.com (mailing list archive)
State New, archived
Headers show
Series mm: cma: make cma_release() non-blocking | expand

Commit Message

Roman Gushchin Oct. 16, 2020, 10:52 p.m. UTC
cma_release() now is a non-blocking function, so there is no more need
to drop hugetlb_lock to call it.

Signed-off-by: Roman Gushchin <guro@fb.com>
---
 mm/hugetlb.c | 6 ------
 1 file changed, 6 deletions(-)
diff mbox series

Patch

diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index fe76f8fd5a73..c8c892b1cabc 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -1312,14 +1312,8 @@  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));
 	}