Re: [PATCH 2/8] mm: Split huge pages on write-notify or COW

On Tue, 3 Dec 2019 14:22:33 +0100 Thomas Hellström (VMware) wrote: > We currently only do COW and write-notify on the PTE level, so if the > huge_fault() handler returns VM_FAULT_FALLBACK on wp faults, > split the huge pages and page-table entries. Also do this for huge PUDs > if there is no hu

[PATCH 2/8] mm: Split huge pages on write-notify or COW

From: Thomas Hellstrom We currently only do COW and write-notify on the PTE level, so if the huge_fault() handler returns VM_FAULT_FALLBACK on wp faults, split the huge pages and page-table entries. Also do this for huge PUDs if there is no huge_fault() handler and the vma is not anonymous, simil