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Btrfs Preps Huge Folios Support Ahead Of Linux 7.2
Written by Michael Larabel in Linux Storage on 26 May 2026 at 05:43 AM EDT. 1 Comment
The past few Linux kernel cycles there has been experimental support for large folios with Btrfs while for Linux 7.2 it looks like this modern file-system will be taking things further with huge folios.
SUSE engineer Qu Wenruo has been working through huge folios support for Btrfs to support up to a 2MB folio size.
Similar to the large folios, huge folios can help Btrfs in achieving greater I/O throughput and reduced system overhead while providing for better memory management.
The patches introducing huge folios for Btrfs have made it into David Sterba's kdave/linux.git's for-next Git branch. With the work now in the Btrfs' "for-next" Git branch, they should be submitted as part of the upcoming Linux 7.2 merge window.
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