Re: [PATCH v4 0/7] Split a folio to any lower order folios

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On 13 Feb 2024, at 17:21, David Hildenbrand wrote:

> On 13.02.24 22:55, Zi Yan wrote:
>> From: Zi Yan <ziy@xxxxxxxxxx>
>>
>> Hi all,
>>
>> File folio supports any order and multi-size THP is upstreamed[1], so both
>> file and anonymous folios can be >0 order. Currently, split_huge_page()
>> only splits a huge page to order-0 pages, but splitting to orders higher than
>> 0 is going to better utilize large folios. In addition, Large Block
>> Sizes in XFS support would benefit from it[2]. This patchset adds support for
>> splitting a large folio to any lower order folios and uses it during file
>> folio truncate operations.
>>
>> For Patch 6, Hugh did not like my approach to minimize the number of
>> folios for truncate[3]. I would like to get more feedback, especially
>> from FS people, on it to decide whether to keep it or not.
>
> I'm curious, would it make sense to exclude the "more" controversial parts (i.e., patch #6) for now, and focus on the XFS use case only?

Sure. Patch 6 was there to make use of split_huge_page_to_list_to_order().
Now we have multi-size THP and XFS use cases, it can be dropped.

--
Best Regards,
Yan, Zi

Attachment: signature.asc
Description: OpenPGP digital signature


[Index of Archives]     [Linux Wireless]     [Linux Kernel]     [ATH6KL]     [Linux Bluetooth]     [Linux Netdev]     [Kernel Newbies]     [Share Photos]     [IDE]     [Security]     [Git]     [Netfilter]     [Bugtraq]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Linux ATA RAID]     [Samba]     [Device Mapper]

  Powered by Linux