Re: [PATCH RFC] mm: add MAP_EXCLUSIVE to create exclusive user mappings

Dave Hansen
2019-10-30T18:01:57Z

On 10/30/19 10:58 AM, Dave Hansen wrote:
> Modules also require privilege.

IMNHO, if BPF is fracturing large swaths the direct map with no
privilege, it's only a matter of time until it starts to cause problems.
The fact that we do it today is only evidence that we have a ticking
time bomb, not that it's OK.