linux-kernel - [PATCH v2] MIPS: Loongson64: Fix section mismatch warning

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Message-Id: <1656313633-1713-1-git-send-email-yangtiezhu@loongson.cn>
Date:   Mon, 27 Jun 2022 15:07:13 +0800
From:   Tiezhu Yang <yangtiezhu@...ngson.cn>
To:     Thomas Bogendoerfer <tsbogend@...ha.franken.de>
Cc:     Xuefeng Li <lixuefeng@...ngson.cn>, linux-mips@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH v2] MIPS: Loongson64: Fix section mismatch warning

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

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

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

This is build on Linux 5.19-rc4.

Fixes: 6fbde6b492df ("MIPS: Loongson64: Move files to the top-level directory")
Signed-off-by: Tiezhu Yang <yangtiezhu@...ngson.cn>
---

v2: update the commit message and add Fixes tag

 arch/mips/loongson64/numa.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/arch/mips/loongson64/numa.c b/arch/mips/loongson64/numa.c
index 69a5331..8f61e93 100644
--- a/arch/mips/loongson64/numa.c
+++ b/arch/mips/loongson64/numa.c
@@ -196,7 +196,6 @@ void __init prom_init_numa_memory(void)
 	pr_info("CP0_PageGrain: CP0 5.1 (0x%x)\n", read_c0_pagegrain());
 	prom_meminit();
 }
-EXPORT_SYMBOL(prom_init_numa_memory);

 pg_data_t * __init arch_alloc_nodedata(int nid)
 {
-- 
2.1.0