linux-kernel - [PATCH 12/18] mm: memory: use mm_counter_file_folio() in set_pte

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]

Message-ID: <20231103140119.2306578-13-wangkefeng.wang@huawei.com>
Date:   Fri, 3 Nov 2023 22:01:13 +0800
From:   Kefeng Wang <wangkefeng.wang@...wei.com>
To:     Andrew Morton <akpm@...ux-foundation.org>
CC:     <linux-kernel@...r.kernel.org>, <linux-mm@...ck.org>,
        Matthew Wilcox <willy@...radead.org>,
        David Hildenbrand <david@...hat.com>,
        <linux-s390@...r.kernel.org>,
        Kefeng Wang <wangkefeng.wang@...wei.com>
Subject: [PATCH 12/18] mm: memory: use mm_counter_file_folio() in set_pte_range()

Use mm_counter_file_folio() to save one compound_head() call in
set_pte_rang().

Signed-off-by: Kefeng Wang <wangkefeng.wang@...wei.com>
---
 mm/memory.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/memory.c b/mm/memory.c
index 661c649afc22..2d90da70a1c8 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -4414,7 +4414,7 @@ void set_pte_range(struct vm_fault *vmf, struct folio *folio,
 		folio_add_new_anon_rmap(folio, vma, addr);
 		folio_add_lru_vma(folio, vma);
 	} else {
-		add_mm_counter(vma->vm_mm, mm_counter_file(page), nr);
+		add_mm_counter(vma->vm_mm, mm_counter_file_folio(folio), nr);
 		folio_add_file_rmap_range(folio, page, nr, vma, false);
 	}
 	set_ptes(vma->vm_mm, addr, vmf->pte, entry, nr);
-- 
2.27.0