[PATCH RFC v3 0/4] mm: some enhancements to the page fault mechanism

v3: - fix up issues that krobot reported, rebase This is an RFC series as cleanup and enhancements to current page fault logic. The whole idea comes from the discussion between Andrea and Linus on the bug reported by syzbot here: https://lkml.org/lkml/2017/11/2/833 Basically it does two

[PATCH RFC v3 0/4] mm: some enhancements to the page fault mechanism

v3: - fix up issues that krobot reported, rebase This is an RFC series as cleanup and enhancements to current page fault logic. The whole idea comes from the discussion between Andrea and Linus on the bug reported by syzbot here: https://lkml.org/lkml/2017/11/2/833 Basically it does two