Re: [PATCH] mm/device-public-memory: Enable move_pages() to stat device memory

From: Reza Arbab
Date: Fri Sep 22 2017 - 16:32:13 EST

On Fri, Sep 22, 2017 at 08:13:56PM +0000, Reza Arbab wrote:
The move_pages() syscall can be used to find the numa node where a page
currently resides. This is not working for device public memory pages,
which erroneously report -EFAULT (unmapped or zero page).

Argh. Please disregard this patch.

My test setup has a chunk of system memory carved out as pretend device public memory, to experiment with. Of course the real thing has no numa node!

Apologies all, it's been a long day.

Reza Arbab