Robuta

https://lwn.net/Articles/884538/ sparse-vmemmap: memory savings for compound devmaps (device-dax) [LWN.net] device dax sparse memory savings https://lkml.iu.edu/hypermail/linux/kernel/2401.3/04656.html Linux-Kernel Archive: Re: [PATCH v3 0/3] A Solution to Re-enable hugetlb vmemmap optimize https://lkml.indiana.edu/2203.3/07779.html Linux-Kernel Archive: Re: [PATCH v4 1/2] mm: hugetlb_vmemmap: introduce... linux kernel https://lkml.rescloud.iu.edu/2505.2/00790.html Linux-Kernel Archive: Re: [PATCHv3 2/4] x86/64/mm: Make SPARSEMEM_VMEMMAP the only memory model https://lwn.net/Articles/893117/ add hugetlb_optimize_vmemmap sysctl [LWN.net] add optimize sysctl lwn