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From: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
To: David Hildenbrand <david@redhat.com>
Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org,
	virtio-dev@lists.oasis-open.org,
	virtualization@lists.linux-foundation.org, kvm@vger.kernel.org,
	Michal Hocko <mhocko@kernel.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	"Michael S . Tsirkin" <mst@redhat.com>,
	Sebastien Boeuf <sebastien.boeuf@intel.com>,
	Samuel Ortiz <samuel.ortiz@intel.com>,
	Robert Bradford <robert.bradford@intel.com>,
	Luiz Capitulino <lcapitulino@redhat.com>,
	Alexander Duyck <alexander.h.duyck@linux.intel.com>,
	Alexander Potapenko <glider@google.com>,
	Alexander Viro <viro@zeniv.linux.org.uk>,
	Anshuman Khandual <anshuman.khandual@arm.com>,
	Anthony Yznaga <anthony.yznaga@oracle.com>,
	Dan Williams <dan.j.williams@intel.com>,
	Dave Young <dyoung@redhat.com>,
	Igor Mammedov <imammedo@redhat.com>,
	Jason Wang <jasowang@redhat.com>,
	Johannes Weiner <hannes@cmpxchg.org>,
	Juergen Gross <jgross@suse.com>, Len Brown <lenb@kernel.org>,
	Mel Gorman <mgorman@techsingularity.net>,
	Michal Hocko <mhocko@suse.com>,
	Mike Rapoport <rppt@linux.ibm.com>,
	Oscar Salvador <osalvador@suse.com>,
	Oscar Salvador <osalvador@suse.de>,
	Pavel Tatashin <pasha.tatashin@soleen.com>,
	Pavel Tatashin <pavel.tatashin@microsoft.com>,
	Pingfan Liu <kernelfans@gmail.com>, Qian Cai <cai@lca.pw>,
	"Rafael J. Wysocki" <rjw@rjwysocki.net>,
	Stefan Hajnoczi <stefanha@redhat.com>,
	Vlastimil Babka <vbabka@suse.cz>,
	Wei Yang <richard.weiyang@gmail.com>
Subject: Re: [PATCH RFC v4 00/13] virtio-mem: paravirtualized memory
Date: Fri, 13 Dec 2019 12:15:56 -0800 (PST)	[thread overview]
Message-ID: <20191213201556.GC26990@char.us.oracle.com> (raw)
In-Reply-To: <20191212171137.13872-1-david@redhat.com>

On Thu, Dec 12, 2019 at 06:11:24PM +0100, David Hildenbrand wrote:
> This series is based on latest linux-next. The patches are located at:
>     https://github.com/davidhildenbrand/linux.git virtio-mem-rfc-v4
Heya!

Would there be by any chance a virtio-spec git tree somewhere?

..snip..
> --------------------------------------------------------------------------
> 5. Future work
> --------------------------------------------------------------------------
> 
> The separate patches contain a lot of future work items. One of the next
> steps is to make memory unplug more likely to succeed - currently, there
> are no guarantees on how much memory can get unplugged again. I have


Or perhaps tell the caller why we can't and let them sort it out?
For example: "Application XYZ is mlocked. Can't offload'.




  parent reply	other threads:[~2019-12-13 21:11 UTC|newest]

Thread overview: 47+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-12-12 17:11 [PATCH RFC v4 00/13] virtio-mem: paravirtualized memory David Hildenbrand
2019-12-12 17:11 ` [PATCH RFC v4 01/13] ACPI: NUMA: export pxm_to_node David Hildenbrand
2019-12-12 21:43   ` Rafael J. Wysocki
2019-12-13  9:41     ` David Hildenbrand
2019-12-13  9:47       ` Rafael J. Wysocki
2019-12-12 17:11 ` [PATCH RFC v4 02/13] virtio-mem: Paravirtualized memory hotplug David Hildenbrand
2019-12-12 17:11 ` [PATCH RFC v4 03/13] virtio-mem: Paravirtualized memory hotunplug part 1 David Hildenbrand
2019-12-12 17:11 ` [PATCH RFC v4 04/13] mm: Export alloc_contig_range() / free_contig_range() David Hildenbrand
2019-12-12 17:11 ` [PATCH RFC v4 05/13] virtio-mem: Paravirtualized memory hotunplug part 2 David Hildenbrand
2019-12-12 17:11 ` [PATCH RFC v4 06/13] mm: Allow to offline unmovable PageOffline() pages via MEM_GOING_OFFLINE David Hildenbrand
2020-02-25 18:26   ` Alexander Duyck
2020-02-25 18:49     ` David Hildenbrand
2020-02-25 21:46       ` Alexander Duyck
2020-02-25 22:19         ` David Hildenbrand
2020-02-26 16:27           ` Alexander Duyck
2019-12-12 17:11 ` [PATCH RFC v4 07/13] virtio-mem: Allow to offline partially unplugged memory blocks David Hildenbrand
2019-12-12 17:11 ` [PATCH RFC v4 08/13] mm/memory_hotplug: Introduce offline_and_remove_memory() David Hildenbrand
2020-02-25 14:11   ` Michal Hocko
2020-02-25 14:27     ` David Hildenbrand
2020-03-02 12:48       ` Michal Hocko
2020-03-02 12:53         ` David Hildenbrand
2019-12-12 17:11 ` [PATCH RFC v4 09/13] virtio-mem: Offline and remove completely unplugged memory blocks David Hildenbrand
2019-12-12 17:11 ` [PATCH RFC v4 10/13] virtio-mem: Better retry handling David Hildenbrand
2019-12-12 17:11 ` [PATCH RFC v4 11/13] mm/vmscan: Move count_vm_event(DROP_SLAB) into drop_slab() David Hildenbrand
2020-02-25 14:13   ` Michal Hocko
2019-12-12 17:11 ` [PATCH RFC v4 12/13] mm/vmscan: Export drop_slab() and drop_slab_node() David Hildenbrand
2020-02-25 14:58   ` Michal Hocko
2020-02-25 15:09     ` David Hildenbrand
2020-02-25 17:06       ` Michal Hocko
2020-02-25 17:23         ` David Hildenbrand
2019-12-12 17:11 ` [PATCH RFC v4 13/13] virtio-mem: Drop slab objects when unplug continues to fail David Hildenbrand
2019-12-13 20:15 ` Konrad Rzeszutek Wilk [this message]
2019-12-16 11:03   ` [PATCH RFC v4 00/13] virtio-mem: paravirtualized memory David Hildenbrand
2019-12-24  6:58 ` teawater
2019-12-24  9:28   ` David Hildenbrand
2020-01-09 13:48 ` David Hildenbrand
2020-01-29  9:41   ` David Hildenbrand
2020-02-25  9:58     ` David Hildenbrand
2020-06-05  8:55   ` Alex Shi
2020-06-05  9:08     ` David Hildenbrand
2020-06-05  9:36       ` David Hildenbrand
2020-06-05 10:05         ` David Hildenbrand
2020-06-05 10:46           ` Alex Shi
2020-06-05 12:18             ` David Hildenbrand
2020-06-09  3:05               ` Alex Shi
2020-06-05 10:08         ` Alex Shi
2020-06-05 10:06       ` Alex Shi

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