linux-kernel - [PATCH] LoongArch: Fix section mismatch warning

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Message-Id: <1656313055-547-1-git-send-email-yangtiezhu@loongson.cn>
Date:   Mon, 27 Jun 2022 14:57:35 +0800
From:   Tiezhu Yang <yangtiezhu@...ngson.cn>
To:     Huacai Chen <chenhuacai@...nel.org>
Cc:     WANG Xuerui <kernel@...0n.name>,
        Jiaxun Yang <jiaxun.yang@...goat.com>,
        Xuefeng Li <lixuefeng@...ngson.cn>, loongarch@...ts.linux.dev,
        linux-kernel@...r.kernel.org
Subject: [PATCH] LoongArch: Fix section mismatch warning

init_numa_memory() is annotated __init and not used by any module,
thus don't export it.

Remove not needed EXPORT_SYMBOL for init_numa_memory() to fix the
following section mismatch warning:

  MODPOST vmlinux.symvers
WARNING: modpost: vmlinux.o(___ksymtab+init_numa_memory+0x0): Section mismatch in reference
from the variable __ksymtab_init_numa_memory to the function .init.text:init_numa_memory()
The symbol init_numa_memory is exported and annotated __init
Fix this by removing the __init annotation of init_numa_memory or drop the export.

This is build on Linux 5.19-rc4.

Fixes: d4b6f1562a3c ("LoongArch: Add Non-Uniform Memory Access (NUMA) support")
Signed-off-by: Tiezhu Yang <yangtiezhu@...ngson.cn>
---
 arch/loongarch/kernel/numa.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/arch/loongarch/kernel/numa.c b/arch/loongarch/kernel/numa.c
index a76f547..a13f925 100644
--- a/arch/loongarch/kernel/numa.c
+++ b/arch/loongarch/kernel/numa.c
@@ -429,7 +429,6 @@ int __init init_numa_memory(void)
 	return 0;
 }

-EXPORT_SYMBOL(init_numa_memory);
 #endif

 void __init paging_init(void)
-- 
2.1.0