linux-kernel - [PATCH 1/3] memblock tests: fix undefined reference to `early_pfn_to

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Message-Id: <20240402132701.29744-2-richard.weiyang@gmail.com>
Date: Tue,  2 Apr 2024 13:26:59 +0000
From: Wei Yang <richard.weiyang@...il.com>
To: akpm@...ux-foundation.org,
	rppt@...nel.org,
	rongtao@...tc.cn
Cc: linux-kernel@...r.kernel.org,
	linux-mm@...ck.org,
	Wei Yang <richard.weiyang@...il.com>,
	Yajun Deng <yajun.deng@...ux.dev>
Subject: [PATCH 1/3] memblock tests: fix undefined reference to `early_pfn_to_nid'

commit 6a9531c3a880 ("memblock: fix crash when reserved memory is not
added to memory") introduce the usage of early_pfn_to_nid, which is not
defined in memblock tests.

The original definition of early_pfn_to_nid is defined in mm.h, so let
add this in the corresponding mm.h.

Signed-off-by: Wei Yang <richard.weiyang@...il.com>
CC: Yajun Deng <yajun.deng@...ux.dev>
CC: Mike Rapoport <rppt@...nel.org>
---
 tools/include/linux/mm.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/tools/include/linux/mm.h b/tools/include/linux/mm.h
index f3c82ab5b14c..7d73da098047 100644
--- a/tools/include/linux/mm.h
+++ b/tools/include/linux/mm.h
@@ -37,4 +37,9 @@ static inline void totalram_pages_add(long count)
 {
 }
 
+static inline int early_pfn_to_nid(unsigned long pfn)
+{
+	return 0;
+}
+
 #endif
-- 
2.34.1