[$] Large folios, swap, and FS-Cache

Date:
Wed, 24 Jul 2024 15:28:03 +0000

Description:
David Howells wanted to discuss swap handling in light of multi-page folios
in a combined storage, filesystem, and memory-management session at
the 2024 Linux Storage,
Filesystem, Memory Management, and BPF Summit . Swapping has always been
done with a one-to-one mapping of memory pages to swap slots, he said, but swapping multi-page folios breaks that assumption. He wondered if it would make sense to use filesystem techniques to track swapped-out folios.

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Link to news story:
https://lwn.net/Articles/982887/


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