Re: Problems with VM_MIXEDMAP removal from /proc/<pid>/smaps

To: Dave Chinner <david@xxxxxxxxxxxxx>
Subject: Re: Problems with VM_MIXEDMAP removal from /proc/<pid>/smaps
From: Jeff Moyer <jmoyer@xxxxxxxxxx>
Date: Thu, 18 Oct 2018 17:05:30 -0400
Cc: Jan Kara <jack@xxxxxxx>, Johannes Thumshirn <jthumshirn@xxxxxxx>, Dan Williams <dan.j.williams@xxxxxxxxx>, Dave Jiang <dave.jiang@xxxxxxxxx>, linux-nvdimm@xxxxxxxxxxxx, linux-mm@xxxxxxxxx, linux-fsdevel@xxxxxxxxxxxxxxx, linux-ext4@xxxxxxxxxxxxxxx, linux-xfs@xxxxxxxxxxxxxxx, linux-api@xxxxxxxxxxxxxxx
In-reply-to: <20181018002510.GC6311@dastard> (Dave Chinner's message of "Thu, 18 Oct 2018 11:25:10 +1100")
References: <20181002100531.GC4135@quack2.suse.cz> <20181002121039.GA3274@linux-x5ow.site> <20181002142959.GD9127@quack2.suse.cz> <x49h8hkfhk9.fsf@segfault.boston.devel.redhat.com> <20181018002510.GC6311@dastard>
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/24.3 (gnu/linux)

Dave,

Thanks for the detailed response!  I hadn't considered the NOVA use case
at all.

Cheers,
Jeff

References:
- Problems with VM_MIXEDMAP removal from /proc/<pid>/smaps
  - From: Jan Kara
- Re: Problems with VM_MIXEDMAP removal from /proc/<pid>/smaps
  - From: Johannes Thumshirn
- Re: Problems with VM_MIXEDMAP removal from /proc/<pid>/smaps
  - From: Jan Kara
- Re: Problems with VM_MIXEDMAP removal from /proc/<pid>/smaps
  - From: Jeff Moyer
- Re: Problems with VM_MIXEDMAP removal from /proc/<pid>/smaps
  - From: Dave Chinner