linux-kernel - Re: [PATCH v3 00/12] mm/swap: clean up and optimize swap cache index

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Date: Tue, 30 Apr 2024 23:27:18 +0800
From: Kairui Song <ryncsn@...il.com>
To: "Huang, Ying" <ying.huang@...el.com>
Cc: linux-mm@...ck.org, Andrew Morton <akpm@...ux-foundation.org>, 
	Matthew Wilcox <willy@...radead.org>, Chris Li <chrisl@...nel.org>, 
	Barry Song <v-songbaohua@...o.com>, Ryan Roberts <ryan.roberts@....com>, Neil Brown <neilb@...e.de>, 
	Minchan Kim <minchan@...nel.org>, Hugh Dickins <hughd@...gle.com>, 
	David Hildenbrand <david@...hat.com>, Yosry Ahmed <yosryahmed@...gle.com>, linux-fsdevel@...r.kernel.org, 
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 00/12] mm/swap: clean up and optimize swap cache index

On Tue, Apr 30, 2024 at 10:47 AM Huang, Ying <ying.huang@...el.com> wrote:
>
> Kairui Song <ryncsn@...il.com> writes:
>
> > From: Kairui Song <kasong@...cent.com>
> >
> > This is based on latest mm-unstable. Patch 1/12 might not be needed if
> > f2fs converted .readahead to use folio, I included it for easier test
> > and review.
> >
> > Currently we use one swap_address_space for every 64M chunk to reduce lock
> > contention, this is like having a set of smaller swap files inside one
> > big swap file.
>
> I would rather to say,
>
> "
> this is like having a set of smaller files inside a swap device.
> "
>
> To avoid possible confusing in this series.  I suggest to avoid to say
> "swap file".  Instead, we can use "swap device".

Good suggestion, will update this part.


> [snip]
>
> --
> Best Regards,
> Huang, Ying