[linux-next] Build failure drivers/cxl/cxl_pmem (powerpc)

[Sachin Sant]

> From 8ca5b098b6ff1048953be748dbffc987996e2605 Mon Sep 17 00:00:00 2001
> From: Michael Ellerman <mpe at ellerman.id.au>
> Date: Fri, 29 Jul 2022 16:13:55 +1000
> Subject: [PATCH] powerpc/mm: Export memory_add_physaddr_to_nid() for modules
> 
> The cxl_pmem module wants to call memory_add_physaddr_to_nid(), so
> export the symbol.
> 
> Fixes: 04ad63f086d1 ("cxl/region: Introduce cxl_pmem_region objects")
> Reported-by: Sachin Sant <sachinp at linux.ibm.com>
> Signed-off-by: Michael Ellerman <mpe at ellerman.id.au>
> ---

Thanks Michael.

Tested-by: Sachin Sant <sachinp at linux.ibm.com>

> arch/powerpc/mm/mem.c | 1 +
> 1 file changed, 1 insertion(+)
> 
> diff --git a/arch/powerpc/mm/mem.c b/arch/powerpc/mm/mem.c
> index 7b0d286bf9ba..01772e79fd93 100644
> --- a/arch/powerpc/mm/mem.c
> +++ b/arch/powerpc/mm/mem.c
> @@ -55,6 +55,7 @@ int memory_add_physaddr_to_nid(u64 start)
> {
> 	return hot_add_scn_to_nid(start);
> }
> +EXPORT_SYMBOL_GPL(memory_add_physaddr_to_nid);
> #endif
> 
> int __weak create_section_mapping(unsigned long start, unsigned long end,
> -- 
> 2.35.3
>