linux-kernel - [PATCH] ia64: mm/contig: fix section mismatch warning/error

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Date:   Wed, 22 Feb 2023 19:42:58 -0800
From:   Randy Dunlap <rdunlap@...radead.org>
To:     linux-kernel@...r.kernel.org
Cc:     Randy Dunlap <rdunlap@...radead.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Tony Luck <tony.luck@...el.com>, linux-ia64@...r.kernel.org
Subject: [PATCH] ia64: mm/contig: fix section mismatch warning/error

alloc_per_cpu_data() is called by find_memory(), which is marked
as __init. Therefore alloc_per_cpu_data() can also be marked as
__init to remedy this modpost problem.

WARNING: modpost: vmlinux.o: section mismatch in reference: alloc_per_cpu_data (section: .text) -> memblock_alloc_try_nid (section: .init.text)

Fixes: 4b9ddc7cf272 ("[IA64] Fix section mismatch in contig.c version of per_cpu_init()")
Signed-off-by: Randy Dunlap <rdunlap@...radead.org>
Cc: Andrew Morton <akpm@...ux-foundation.org>
Cc: Tony Luck <tony.luck@...el.com>
Cc: linux-ia64@...r.kernel.org
---
 arch/ia64/mm/contig.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff -- a/arch/ia64/mm/contig.c b/arch/ia64/mm/contig.c
--- a/arch/ia64/mm/contig.c
+++ b/arch/ia64/mm/contig.c
@@ -77,7 +77,7 @@ skip:
 	return __per_cpu_start + __per_cpu_offset[smp_processor_id()];
 }
 
-static inline void
+static inline __init void
 alloc_per_cpu_data(void)
 {
 	size_t size = PERCPU_PAGE_SIZE * num_possible_cpus();