Re: [PATCH 0/2] mm: remove page_rmapping()

zhangpeng (AS)
2023-07-01T02:57:53Z

On 2023/7/1 5:39, Matthew Wilcox wrote:

> On Fri, Jun 30, 2023 at 08:13:08PM +0800, Peng Zhang wrote:
>> From: ZhangPeng <zhangpeng362@huawei.com>
>>
>> This minor patch series remove page_rmapping() and convert the last user
>> fault_dirty_shared_page() to use a folio.
> This patch series works better if you do it in the other order.
> First convert the user, then remove the now-unused page_rmapping().
>
> It's almost always a mistake to start with "I want to remove all the
> users of API x". You should be thinking "Here is function y that still
> uses pages; I shall convert it to use folios".

Thanks for your feedback.

I'll reverse the order of the two patches. Convert user first, then remove the now-unused page_rmapping().

Best Regards,
Peng