linux-kernel - Re: [PATCH v4 09/36] arm64: Implement the new page table range API

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Message-ID: <61ac4856-d7a9-6620-8fb2-47a77191c440@arm.com>
Date:   Thu, 25 May 2023 10:13:21 +0530
From:   Anshuman Khandual <anshuman.khandual@....com>
To:     Matthew Wilcox <willy@...radead.org>
Cc:     linux-arch@...r.kernel.org, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org,
        Catalin Marinas <catalin.marinas@....com>,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v4 09/36] arm64: Implement the new page table range API



On 5/25/23 09:35, Matthew Wilcox wrote:
> On Thu, May 25, 2023 at 09:05:35AM +0530, Anshuman Khandual wrote:
>>> @@ -127,6 +127,8 @@ extern void copy_to_user_page(struct vm_area_struct *, struct page *,
>>>   */
>>>  #define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 1
>>>  extern void flush_dcache_page(struct page *);
>>> +void flush_dcache_folio(struct folio *);
>>
>> This is giving a checkpatch.pl warning
>>
>> WARNING: function definition argument 'struct folio *' should also have an identifier name
>> #36: FILE: arch/arm64/include/asm/cacheflush.h:130:
>> +void flush_dcache_folio(struct folio *);
> 
> Yes, but checkpatch is *stupid*.  Don't just follow tools blindly.
> How is naming the parameter here helping anyone?

Agreed, it seemed bit weird. Never mind.