Re: [PATCH v9 2/6] mm: page_alloc: remain memblock_next_valid_pfn() on arm/arm64

From: Jia He
Date: Mon Jul 02 2018 - 21:55:43 EST


Hi, Pavel
Thanks for the comments.

On 6/30/2018 2:13 AM, Pavel Tatashin Wrote:
>> +++ b/include/linux/early_pfn.h
>> @@ -0,0 +1,34 @@
>> +/* SPDX-License-Identifier: GPL-2.0 */
>> +/* Copyright (C) 2018 HXT-semitech Corp. */
>> +#ifndef __EARLY_PFN_H
>> +#define __EARLY_PFN_H
>> +#ifdef CONFIG_HAVE_MEMBLOCK_PFN_VALID
>> +ulong __init_memblock memblock_next_valid_pfn(ulong pfn)
>> +{
>> + struct memblock_type *type = &memblock.memory;
>
> Why put it in a header file and not in some C file? In my opinion it
> is confusing to have non-line functions in header files. Basically,
> you can include this header file in exactly one C file without
> breaking compilation.
>
My original intent is to make this helper memblock_next_valid_pfn
a common api between arm64 and arm arches since both arches will
use enable CONFIG_HAVE_MEMBLOCK_PFN_VALID by default.

Do you think it looks ok if I add the inline prefix?

--
Cheers,
Jia