linux-kernel - [PATCH v7 04/14] mm,hwpoison: unexport get_hwpoison

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: <20200922135650.1634-5-osalvador@suse.de>
Date:   Tue, 22 Sep 2020 15:56:40 +0200
From:   Oscar Salvador <osalvador@...e.de>
To:     akpm@...ux-foundation.org
Cc:     aris@...vo.org, naoya.horiguchi@....com, mhocko@...nel.org,
        tony.luck@...el.com, cai@....pw, linux-kernel@...r.kernel.org,
        linux-mm@...ck.org, Oscar Salvador <osalvador@...e.de>
Subject: [PATCH v7 04/14] mm,hwpoison: unexport get_hwpoison_page and make it static

Since get_hwpoison_page is only used in memory-failure code now, let us
un-export it and make it private to that code.

Signed-off-by: Oscar Salvador <osalvador@...e.de>
---
 include/linux/mm.h  | 1 -
 mm/memory-failure.c | 3 +--
 2 files changed, 1 insertion(+), 3 deletions(-)

diff --git a/include/linux/mm.h b/include/linux/mm.h
index 185fcef0deb6..20ac1653fb81 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -3015,7 +3015,6 @@ extern int memory_failure(unsigned long pfn, int flags);
 extern void memory_failure_queue(unsigned long pfn, int flags);
 extern void memory_failure_queue_kick(int cpu);
 extern int unpoison_memory(unsigned long pfn);
-extern int get_hwpoison_page(struct page *page);
 #define put_hwpoison_page(page)	put_page(page)
 extern int sysctl_memory_failure_early_kill;
 extern int sysctl_memory_failure_recovery;
diff --git a/mm/memory-failure.c b/mm/memory-failure.c
index 0e6edffa91a9..f8cff387451e 100644
--- a/mm/memory-failure.c
+++ b/mm/memory-failure.c
@@ -924,7 +924,7 @@ static int page_action(struct page_state *ps, struct page *p,
  * Return: return 0 if failed to grab the refcount, otherwise true (some
  * non-zero value.)
  */
-int get_hwpoison_page(struct page *page)
+static int get_hwpoison_page(struct page *page)
 {
 	struct page *head = compound_head(page);
 
@@ -953,7 +953,6 @@ int get_hwpoison_page(struct page *page)
 
 	return 0;
 }
-EXPORT_SYMBOL_GPL(get_hwpoison_page);
 
 /*
  * Do all that is necessary to remove user space mappings. Unmap
-- 
2.26.2