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

From Reza Arbab <arbab@linux.vnet.ibm.com>
Newsgroups linux.kernel
Subject Re: [PATCH] mm/device-public-memory: Enable move_pages() to stat device memory
Date 2017-09-22 22:40 +0200
Message-ID <usCTT-2dq-7@gated-at.bofh.it> (permalink)
References <usCAy-24P-21@gated-at.bofh.it>
Organization IBM Linux Technology Center

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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

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Thread

[PATCH] mm/device-public-memory: Enable move_pages() to stat device memory Reza Arbab <arbab@linux.vnet.ibm.com> - 2017-09-22 22:20 +0200
  Re: [PATCH] mm/device-public-memory: Enable move_pages() to stat  device memory Reza Arbab <arbab@linux.vnet.ibm.com> - 2017-09-22 22:40 +0200
    Re: [PATCH] mm/device-public-memory: Enable move_pages() to stat  device memory Reza Arbab <arbab@linux.vnet.ibm.com> - 2017-09-22 23:10 +0200
  Re: [PATCH] mm/device-public-memory: Enable move_pages() to stat  device memory Michal Hocko <mhocko@kernel.org> - 2017-09-26 15:40 +0200
    Re: [PATCH] mm/device-public-memory: Enable move_pages() to stat  device memory Reza Arbab <arbab@linux.vnet.ibm.com> - 2017-09-26 16:50 +0200

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