linux-kernel - [PATCH 05/12] mm: page_alloc: squash page_is

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 for Android: free password hash cracker in your pocket

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

Message-ID: <20230508071200.123962-6-wangkefeng.wang@huawei.com>
Date:   Mon, 8 May 2023 15:11:53 +0800
From:   Kefeng Wang <wangkefeng.wang@...wei.com>
To:     Andrew Morton <akpm@...ux-foundation.org>,
        Mike Rapoport <rppt@...nel.org>, <linux-mm@...ck.org>
CC:     David Hildenbrand <david@...hat.com>,
        Oscar Salvador <osalvador@...e.de>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Pavel Machek <pavel@....cz>, Len Brown <len.brown@...el.com>,
        Luis Chamberlain <mcgrof@...nel.org>,
        Kees Cook <keescook@...omium.org>,
        Iurii Zaikin <yzaikin@...gle.com>,
        <linux-kernel@...r.kernel.org>, <linux-pm@...r.kernel.org>,
        <linux-fsdevel@...r.kernel.org>,
        Kefeng Wang <wangkefeng.wang@...wei.com>
Subject: [PATCH 05/12] mm: page_alloc: squash page_is_consistent()

Squash the page_is_consistent() into bad_range() as there is
only one caller.

Signed-off-by: Kefeng Wang <wangkefeng.wang@...wei.com>
---
 mm/page_alloc.c | 9 +--------
 1 file changed, 1 insertion(+), 8 deletions(-)

diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 9a85238f1140..348dcbaca757 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -517,13 +517,6 @@ static int page_outside_zone_boundaries(struct zone *zone, struct page *page)
 	return ret;
 }
 
-static int page_is_consistent(struct zone *zone, struct page *page)
-{
-	if (zone != page_zone(page))
-		return 0;
-
-	return 1;
-}
 /*
  * Temporary debugging check for pages not lying within a given zone.
  */
@@ -531,7 +524,7 @@ static int __maybe_unused bad_range(struct zone *zone, struct page *page)
 {
 	if (page_outside_zone_boundaries(zone, page))
 		return 1;
-	if (!page_is_consistent(zone, page))
+	if (zone != page_zone(page))
 		return 1;
 
 	return 0;
-- 
2.35.3