Gentoo Packages

sys-kernel/cachyos-kernel: Build ZFS module directly into the kernel (not recommended, use sys-fs/zfs-kmod instead)
sys-kernel/cachyos-sources: Install pinned ZFS sources and a build helper in the kernel source tree

Warning: USE flag 'kernel-builtin-zfs' is used in ebuilds/metadata but is not defined in profiles/use.desc

Package	Local Description (use.local.desc)	Metadata Description (metadata.xml)
sys-kernel/cachyos-kernel	-	Build ZFS module directly into the kernel (not recommended, use sys-fs/zfs-kmod instead)
sys-kernel/cachyos-sources	-	Install pinned ZFS sources and a build helper in the kernel source tree

USE Flag: kernel-builtin-zfs