Btrfs Preps Huge Folios Support Ahead Of Linux 7.2
Btrfs is preparing to implement huge folios support in the upcoming Linux 7.2 release. This feature aims to enhance I/O throughput and improve memory management by allowing folio sizes of up to 2MB. The necessary patches have been integrated into the Btrfs 'for-next' Git branch and are expected to be included in the next merge window.
- ▪Btrfs is working on huge folios support for Linux 7.2.
- ▪The new feature will allow folio sizes of up to 2MB.
- ▪Huge folios aim to improve I/O throughput and memory management.
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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. Add A 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.
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