Re: [RFC 01/20] mm/tlb: fix fullmm semantics

Nadav Amit
2021-01-31T01:20:40Z

> On Jan 30, 2021, at 5:02 PM, Andy Lutomirski <luto@kernel.org> wrote:
>
> On Sat, Jan 30, 2021 at 4:16 PM Nadav Amit <nadav.amit@gmail.com> wrote:
>> From: Nadav Amit <namit@vmware.com>
>>
>> fullmm in mmu_gather is supposed to indicate that the mm is torn-down
>> (e.g., on process exit) and can therefore allow certain optimizations.
>> However, tlb_finish_mmu() sets fullmm, when in fact it want to say that
>> the TLB should be fully flushed.
>
> Maybe also rename fullmm?

Possible. How about mm_torn_down?

I should have also changed the comment in tlb_finish_mmu().