linux-kernel - [PATCH v3 07/13] mm/memory-failure: don't export hwpoison_filter() when !CONFIG_HWPOISON

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Message-ID: <20240612071835.157004-8-linmiaohe@huawei.com>
Date: Wed, 12 Jun 2024 15:18:29 +0800
From: Miaohe Lin <linmiaohe@...wei.com>
To: <akpm@...ux-foundation.org>, <tony.luck@...el.com>, <bp@...en8.de>
CC: <nao.horiguchi@...il.com>, <linmiaohe@...wei.com>, <linux-mm@...ck.org>,
	<linux-kernel@...r.kernel.org>, <linux-edac@...r.kernel.org>
Subject: [PATCH v3 07/13] mm/memory-failure: don't export hwpoison_filter() when !CONFIG_HWPOISON_INJECT

When CONFIG_HWPOISON_INJECT is not enabled, there is no user of the
hwpoison_filter() outside memory-failure. So there is no need to export
it in that case.

Reported-by: kernel test robot <lkp@...el.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202406070136.hGQwVbsv-lkp@intel.com/
Signed-off-by: Miaohe Lin <linmiaohe@...wei.com>
---
 mm/memory-failure.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/mm/memory-failure.c b/mm/memory-failure.c
index 339752d768d8..ee6ec63534b7 100644
--- a/mm/memory-failure.c
+++ b/mm/memory-failure.c
@@ -294,6 +294,7 @@ int hwpoison_filter(struct page *p)
 
 	return 0;
 }
+EXPORT_SYMBOL_GPL(hwpoison_filter);
 #else
 int hwpoison_filter(struct page *p)
 {
@@ -301,8 +302,6 @@ int hwpoison_filter(struct page *p)
 }
 #endif
 
-EXPORT_SYMBOL_GPL(hwpoison_filter);
-
 /*
  * Kill all processes that have a poisoned page mapped and then isolate
  * the page.
-- 
2.33.0