diff options
Diffstat (limited to 'mm/hugetlb.c')
| -rw-r--r-- | mm/hugetlb.c | 33 |
1 files changed, 19 insertions, 14 deletions
diff --git a/mm/hugetlb.c b/mm/hugetlb.c index f86a61a73112..01ea43b22724 100644 --- a/mm/hugetlb.c +++ b/mm/hugetlb.c @@ -1774,19 +1774,21 @@ static void __prep_account_new_huge_page(struct hstate *h, int nid) h->nr_huge_pages_node[nid]++; } -static void __prep_new_huge_page(struct hstate *h, struct page *page) +static void __prep_new_hugetlb_folio(struct hstate *h, struct folio *folio) { - hugetlb_vmemmap_optimize(h, page); - INIT_LIST_HEAD(&page->lru); - set_compound_page_dtor(page, HUGETLB_PAGE_DTOR); - hugetlb_set_page_subpool(page, NULL); - set_hugetlb_cgroup(page, NULL); - set_hugetlb_cgroup_rsvd(page, NULL); + hugetlb_vmemmap_optimize(h, &folio->page); + INIT_LIST_HEAD(&folio->lru); + folio->_folio_dtor = HUGETLB_PAGE_DTOR; + hugetlb_set_folio_subpool(folio, NULL); + set_hugetlb_cgroup(folio, NULL); + set_hugetlb_cgroup_rsvd(folio, NULL); } static void prep_new_huge_page(struct hstate *h, struct page *page, int nid) { - __prep_new_huge_page(h, page); + struct folio *folio = page_folio(page); + + __prep_new_hugetlb_folio(h, folio); spin_lock_irq(&hugetlb_lock); __prep_account_new_huge_page(h, nid); spin_unlock_irq(&hugetlb_lock); @@ -2748,8 +2750,10 @@ static int alloc_and_dissolve_huge_page(struct hstate *h, struct page *old_page, struct list_head *list) { gfp_t gfp_mask = htlb_alloc_mask(h) | __GFP_THISNODE; - int nid = page_to_nid(old_page); + struct folio *old_folio = page_folio(old_page); + int nid = folio_nid(old_folio); struct page *new_page; + struct folio *new_folio; int ret = 0; /* @@ -2762,16 +2766,17 @@ static int alloc_and_dissolve_huge_page(struct hstate *h, struct page *old_page, new_page = alloc_buddy_huge_page(h, gfp_mask, nid, NULL, NULL); if (!new_page) return -ENOMEM; - __prep_new_huge_page(h, new_page); + new_folio = page_folio(new_page); + __prep_new_hugetlb_folio(h, new_folio); retry: spin_lock_irq(&hugetlb_lock); - if (!PageHuge(old_page)) { + if (!folio_test_hugetlb(old_folio)) { /* * Freed from under us. Drop new_page too. */ goto free_new; - } else if (page_count(old_page)) { + } else if (folio_ref_count(old_folio)) { /* * Someone has grabbed the page, try to isolate it here. * Fail with -EBUSY if not possible. @@ -2780,7 +2785,7 @@ retry: ret = isolate_hugetlb(old_page, list); spin_lock_irq(&hugetlb_lock); goto free_new; - } else if (!HPageFreed(old_page)) { + } else if (!folio_test_hugetlb_freed(old_folio)) { /* * Page's refcount is 0 but it has not been enqueued in the * freelist yet. Race window is small, so we can succeed here if @@ -2818,7 +2823,7 @@ retry: free_new: spin_unlock_irq(&hugetlb_lock); /* Page has a zero ref count, but needs a ref to be freed */ - set_page_refcounted(new_page); + folio_ref_unfreeze(new_folio, 1); update_and_free_page(h, new_page, false); return ret; |