linux-kernel - Re: [PATCH rfc 00/18] mm: convert to use folio mm counter

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Date:   Fri, 3 Nov 2023 14:30:25 +0000
From:   Matthew Wilcox <willy@...radead.org>
To:     Kefeng Wang <wangkefeng.wang@...wei.com>
Cc:     Andrew Morton <akpm@...ux-foundation.org>,
        linux-kernel@...r.kernel.org, linux-mm@...ck.org,
        David Hildenbrand <david@...hat.com>,
        linux-s390@...r.kernel.org
Subject: Re: [PATCH rfc 00/18] mm: convert to use folio mm counter

On Fri, Nov 03, 2023 at 10:01:01PM +0800, Kefeng Wang wrote:
> Convert mm counter page functions to folio ones.
> 
>   mm_counter()       ->	mm_counter_folio()
>   mm_counter_file()  ->	mm_counter_file_folio()
> 
> Maybe it's better to rename folio mm counter function back to mm_counter()
> and mm_counter_file() after all conversion?

I deliberately didn't do this because it's mostly churn.
Once all callers of mm_counter() and mm_counter_file() have been
converted to use folios, we can do one big patch to convert all
callers to pass a folio instead of a page.