Re: [RFC 11/20] mm/tlb: remove arch-specific tlb_start/end_vma()
From: Peter Zijlstra <peterz@infradead.org>
Date: 2021-02-02 09:32:55
Also in:
linux-mm, linuxppc-dev, lkml
On Tue, Feb 02, 2021 at 07:20:55AM +0000, Nadav Amit wrote:
Arm does not define tlb_end_vma, and consequently it flushes the TLB after each VMA. I suspect it is not intentional.
ARM is one of those that look at the VM_EXEC bit to explicitly flush ITLB IIRC, so it has to.