diff options
author | Sidhartha Kumar <sidhartha.kumar@oracle.com> | 2022-11-30 01:50:33 +0300 |
---|---|---|
committer | Andrew Morton <akpm@linux-foundation.org> | 2022-12-12 05:12:14 +0300 |
commit | cfd5082b514765f873504cc60a50cce30738bfd3 (patch) | |
tree | 2978272b9045579d39b095dee243d8b60dd6d946 /mm/hugetlb.c | |
parent | 1a7cdab59b22465b850501e3897a3f3aa01670d8 (diff) | |
download | linux-cfd5082b514765f873504cc60a50cce30738bfd3.tar.xz |
mm/hugetlb: convert remove_hugetlb_page() to folios
Removes page_folio() call by converting callers to directly pass a folio
into __remove_hugetlb_page().
Link: https://lkml.kernel.org/r/20221129225039.82257-5-sidhartha.kumar@oracle.com
Signed-off-by: Sidhartha Kumar <sidhartha.kumar@oracle.com>
Reviewed-by: Mike Kravetz <mike.kravetz@oracle.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: John Hubbard <jhubbard@nvidia.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: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Cc: Tarun Sahu <tsahu@linux.ibm.com>
Cc: Wei Chen <harperchen1110@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm/hugetlb.c')
-rw-r--r-- | mm/hugetlb.c | 48 |
1 files changed, 25 insertions, 23 deletions
diff --git a/mm/hugetlb.c b/mm/hugetlb.c index d02293fd2e64..9b1c9d05ba34 100644 --- a/mm/hugetlb.c +++ b/mm/hugetlb.c @@ -1432,19 +1432,18 @@ static inline void destroy_compound_gigantic_folio(struct folio *folio, #endif /* - * Remove hugetlb page from lists, and update dtor so that page appears + * Remove hugetlb folio from lists, and update dtor so that the folio appears * as just a compound page. * - * A reference is held on the page, except in the case of demote. + * A reference is held on the folio, except in the case of demote. * * Must be called with hugetlb lock held. */ -static void __remove_hugetlb_page(struct hstate *h, struct page *page, +static void __remove_hugetlb_folio(struct hstate *h, struct folio *folio, bool adjust_surplus, bool demote) { - int nid = page_to_nid(page); - struct folio *folio = page_folio(page); + int nid = folio_nid(folio); VM_BUG_ON_FOLIO(hugetlb_cgroup_from_folio(folio), folio); VM_BUG_ON_FOLIO(hugetlb_cgroup_from_folio_rsvd(folio), folio); @@ -1453,9 +1452,9 @@ static void __remove_hugetlb_page(struct hstate *h, struct page *page, if (hstate_is_gigantic(h) && !gigantic_page_runtime_supported()) return; - list_del(&page->lru); + list_del(&folio->lru); - if (HPageFreed(page)) { + if (folio_test_hugetlb_freed(folio)) { h->free_huge_pages--; h->free_huge_pages_node[nid]--; } @@ -1485,26 +1484,26 @@ static void __remove_hugetlb_page(struct hstate *h, struct page *page, * be turned into a page of smaller size. */ if (!demote) - set_page_refcounted(page); + folio_ref_unfreeze(folio, 1); if (hstate_is_gigantic(h)) - set_compound_page_dtor(page, NULL_COMPOUND_DTOR); + folio_set_compound_dtor(folio, NULL_COMPOUND_DTOR); else - set_compound_page_dtor(page, COMPOUND_PAGE_DTOR); + folio_set_compound_dtor(folio, COMPOUND_PAGE_DTOR); h->nr_huge_pages--; h->nr_huge_pages_node[nid]--; } -static void remove_hugetlb_page(struct hstate *h, struct page *page, +static void remove_hugetlb_folio(struct hstate *h, struct folio *folio, bool adjust_surplus) { - __remove_hugetlb_page(h, page, adjust_surplus, false); + __remove_hugetlb_folio(h, folio, adjust_surplus, false); } -static void remove_hugetlb_page_for_demote(struct hstate *h, struct page *page, +static void remove_hugetlb_folio_for_demote(struct hstate *h, struct folio *folio, bool adjust_surplus) { - __remove_hugetlb_page(h, page, adjust_surplus, true); + __remove_hugetlb_folio(h, folio, adjust_surplus, true); } static void add_hugetlb_page(struct hstate *h, struct page *page, @@ -1639,8 +1638,9 @@ static void free_hpage_workfn(struct work_struct *work) /* * The VM_BUG_ON_PAGE(!PageHuge(page), page) in page_hstate() * is going to trigger because a previous call to - * remove_hugetlb_page() will set_compound_page_dtor(page, - * NULL_COMPOUND_DTOR), so do not use page_hstate() directly. + * remove_hugetlb_folio() will call folio_set_compound_dtor + * (folio, NULL_COMPOUND_DTOR), so do not use page_hstate() + * directly. */ h = size_to_hstate(page_size(page)); @@ -1749,12 +1749,12 @@ void free_huge_page(struct page *page) h->resv_huge_pages++; if (folio_test_hugetlb_temporary(folio)) { - remove_hugetlb_page(h, page, false); + remove_hugetlb_folio(h, folio, false); spin_unlock_irqrestore(&hugetlb_lock, flags); update_and_free_page(h, page, true); } else if (h->surplus_huge_pages_node[nid]) { /* remove the page from active list */ - remove_hugetlb_page(h, page, true); + remove_hugetlb_folio(h, folio, true); spin_unlock_irqrestore(&hugetlb_lock, flags); update_and_free_page(h, page, true); } else { @@ -2092,6 +2092,7 @@ static struct page *remove_pool_huge_page(struct hstate *h, { int nr_nodes, node; struct page *page = NULL; + struct folio *folio; lockdep_assert_held(&hugetlb_lock); for_each_node_mask_to_free(h, nr_nodes, node, nodes_allowed) { @@ -2103,7 +2104,8 @@ static struct page *remove_pool_huge_page(struct hstate *h, !list_empty(&h->hugepage_freelists[node])) { page = list_entry(h->hugepage_freelists[node].next, struct page, lru); - remove_hugetlb_page(h, page, acct_surplus); + folio = page_folio(page); + remove_hugetlb_folio(h, folio, acct_surplus); break; } } @@ -2165,7 +2167,7 @@ retry: goto retry; } - remove_hugetlb_page(h, &folio->page, false); + remove_hugetlb_folio(h, folio, false); h->max_huge_pages--; spin_unlock_irq(&hugetlb_lock); @@ -2803,7 +2805,7 @@ retry: * and enqueue_huge_page() for new_page. The counters will remain * stable since this happens under the lock. */ - remove_hugetlb_page(h, old_page, false); + remove_hugetlb_folio(h, old_folio, false); /* * Ref count on new page is already zero as it was dropped @@ -3230,7 +3232,7 @@ static void try_to_free_low(struct hstate *h, unsigned long count, goto out; if (PageHighMem(page)) continue; - remove_hugetlb_page(h, page, false); + remove_hugetlb_folio(h, page_folio(page), false); list_add(&page->lru, &page_list); } } @@ -3441,7 +3443,7 @@ static int demote_free_huge_page(struct hstate *h, struct page *page) target_hstate = size_to_hstate(PAGE_SIZE << h->demote_order); - remove_hugetlb_page_for_demote(h, page, false); + remove_hugetlb_folio_for_demote(h, folio, false); spin_unlock_irq(&hugetlb_lock); rc = hugetlb_vmemmap_restore(h, page); |