linux-kernel - [PATCH 5.15 256/530] ia64: export memory_add_physaddr_to

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Message-Id: <20221024113056.660776851@linuxfoundation.org>
Date:   Mon, 24 Oct 2022 13:30:00 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, kernel test robot <lkp@...el.com>,
        Randy Dunlap <rdunlap@...radead.org>,
        Dan Williams <dan.j.williams@...el.com>,
        Ben Widawsky <bwidawsk@...nel.org>,
        Jonathan Cameron <Jonathan.Cameron@...wei.com>,
        linux-ia64@...r.kernel.org, Arnd Bergmann <arnd@...db.de>,
        Keith Mannthey <kmannth@...ibm.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.15 256/530] ia64: export memory_add_physaddr_to_nid to fix cxl build error

From: Randy Dunlap <rdunlap@...radead.org>

[ Upstream commit 97c318bfbe84efded246e80428054f300042f110 ]

cxl_pmem.ko uses memory_add_physaddr_to_nid() but ia64 does not export it,
so this causes a build error:

ERROR: modpost: "memory_add_physaddr_to_nid" [drivers/cxl/cxl_pmem.ko] undefined!

Fix this by exporting that function.

Fixes: 8c2676a5870a ("hot-add-mem x86_64: memory_add_physaddr_to_nid node fixup")
Reported-by: kernel test robot <lkp@...el.com>
Signed-off-by: Randy Dunlap <rdunlap@...radead.org>
Cc: Dan Williams <dan.j.williams@...el.com>
Cc: Ben Widawsky <bwidawsk@...nel.org>
Cc: Jonathan Cameron <Jonathan.Cameron@...wei.com>
Cc: linux-ia64@...r.kernel.org
Cc: Arnd Bergmann <arnd@...db.de>
Cc: Keith Mannthey <kmannth@...ibm.com>
Cc: Andrew Morton <akpm@...ux-foundation.org>
Signed-off-by: Arnd Bergmann <arnd@...db.de>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 arch/ia64/mm/numa.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/ia64/mm/numa.c b/arch/ia64/mm/numa.c
index d6579ec3ea32..4c7b1f50e3b7 100644
--- a/arch/ia64/mm/numa.c
+++ b/arch/ia64/mm/numa.c
@@ -75,5 +75,6 @@ int memory_add_physaddr_to_nid(u64 addr)
 		return 0;
 	return nid;
 }
+EXPORT_SYMBOL(memory_add_physaddr_to_nid);
 #endif
 #endif
-- 
2.35.1