linux-kernel - [PATCH mm-unstable v2 2/8] mm/hugetlb: convert __update_and_free

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Tue, 10 Jan 2023 15:28:15 -0600
From:   Sidhartha Kumar <sidhartha.kumar@...cle.com>
To:     linux-kernel@...r.kernel.org, linux-mm@...ck.org
Cc:     akpm@...ux-foundation.org, songmuchun@...edance.com,
        mike.kravetz@...cle.com, willy@...radead.org, jhubbard@...dia.com,
        Sidhartha Kumar <sidhartha.kumar@...cle.com>
Subject: [PATCH mm-unstable v2 2/8] mm/hugetlb: convert __update_and_free_page() to folios

Change __update_and_free_page() to __update_and_free_hugetlb_folio() by
changing its callers to pass in a folio.

Signed-off-by: Sidhartha Kumar <sidhartha.kumar@...cle.com>
Reviewed-by: Mike Kravetz <mike.kravetz@...cle.com>
---
 mm/hugetlb.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index 540f33d8cc51..9155bb5ee570 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -1556,10 +1556,10 @@ static void add_hugetlb_folio(struct hstate *h, struct folio *folio,
 	enqueue_hugetlb_folio(h, folio);
 }
 
-static void __update_and_free_page(struct hstate *h, struct page *page)
+static void __update_and_free_hugetlb_folio(struct hstate *h,
+						struct folio *folio)
 {
 	int i;
-	struct folio *folio = page_folio(page);
 	struct page *subpage;
 
 	if (hstate_is_gigantic(h) && !gigantic_page_runtime_supported())
@@ -1572,7 +1572,7 @@ static void __update_and_free_page(struct hstate *h, struct page *page)
 	if (folio_test_hugetlb_raw_hwp_unreliable(folio))
 		return;
 
-	if (hugetlb_vmemmap_restore(h, page)) {
+	if (hugetlb_vmemmap_restore(h, &folio->page)) {
 		spin_lock_irq(&hugetlb_lock);
 		/*
 		 * If we cannot allocate vmemmap pages, just refuse to free the
@@ -1608,7 +1608,7 @@ static void __update_and_free_page(struct hstate *h, struct page *page)
 		destroy_compound_gigantic_folio(folio, huge_page_order(h));
 		free_gigantic_folio(folio, huge_page_order(h));
 	} else {
-		__free_pages(page, huge_page_order(h));
+		__free_pages(&folio->page, huge_page_order(h));
 	}
 }
 
@@ -1648,7 +1648,7 @@ static void free_hpage_workfn(struct work_struct *work)
 		 */
 		h = size_to_hstate(page_size(page));
 
-		__update_and_free_page(h, page);
+		__update_and_free_hugetlb_folio(h, page_folio(page));
 
 		cond_resched();
 	}
@@ -1665,7 +1665,7 @@ static void update_and_free_hugetlb_folio(struct hstate *h, struct folio *folio,
 				 bool atomic)
 {
 	if (!folio_test_hugetlb_vmemmap_optimized(folio) || !atomic) {
-		__update_and_free_page(h, &folio->page);
+		__update_and_free_hugetlb_folio(h, folio);
 		return;
 	}
 
-- 
2.39.0