Re: [PATCH 2/9] mm/huge_memory: Deposit a pgtable for DAX PMD faults when required

Oliver O'Halloran writes: > Although all architectures use a deposited page table for THP on anonymous > VMAs > some architectures (s390 and powerpc) require the deposited storage even for > file backed VMAs due to quirks of their MMUs. This patch adds support for > depositing

[PATCH 2/9] mm/huge_memory: Deposit a pgtable for DAX PMD faults when required

Although all architectures use a deposited page table for THP on anonymous VMAs some architectures (s390 and powerpc) require the deposited storage even for file backed VMAs due to quirks of their MMUs. This patch adds support for depositing a table in DAX PMD fault handling path for archs that