Re: Better interactivity in low-memory situations

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On Wed, Sep 4, 2019 at 1:03 PM Chris Murphy <lists@xxxxxxxxxxxxxxxxx> wrote:
>
> I'm skeptical of swapfiles for this use case, because it likely
> increases the chance for file system disk contention, see section
> 11.17
> https://www.kernel.org/doc/gorman/html/understand/understand014.html

Actually that looks outdated now.

https://patchwork.kernel.org/patch/10347293/

Btrfs since 5.0 also supports swapfiles by avoiding bmap, using
btrfs_swap_activate, the btrfs equivalent of iomap_swap_activate

-- 
Chris Murphy
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