From: "David Hildenbrand (Red Hat)" <david@kernel.org>
To: "Michael S. Tsirkin" <mst@redhat.com>
Cc: "Lorenzo Stoakes" <lorenzo.stoakes@oracle.com>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
linuxppc-dev@lists.ozlabs.org,
"Broadcom internal kernel review list"
<bcm-kernel-feedback-list@broadcom.com>,
linux-doc@vger.kernel.org, virtualization@lists.linux.dev,
"Andrew Morton" <akpm@linux-foundation.org>,
"Oscar Salvador" <osalvador@suse.de>,
"Liam R. Howlett" <Liam.Howlett@oracle.com>,
"Vlastimil Babka" <vbabka@suse.cz>,
"Mike Rapoport" <rppt@kernel.org>,
"Suren Baghdasaryan" <surenb@google.com>,
"Michal Hocko" <mhocko@suse.com>,
"Jonathan Corbet" <corbet@lwn.net>,
"Madhavan Srinivasan" <maddy@linux.ibm.com>,
"Michael Ellerman" <mpe@ellerman.id.au>,
"Nicholas Piggin" <npiggin@gmail.com>,
"Christophe Leroy" <christophe.leroy@csgroup.eu>,
"Arnd Bergmann" <arnd@arndb.de>,
"Greg Kroah-Hartman" <gregkh@linuxfoundation.org>,
"Jerrin Shaji George" <jerrin.shaji-george@broadcom.com>,
"Jason Wang" <jasowang@redhat.com>,
"Xuan Zhuo" <xuanzhuo@linux.alibaba.com>,
"Eugenio Pérez" <eperezma@redhat.com>, "Zi Yan" <ziy@nvidia.com>
Subject: Re: [PATCH v2 22/23] mm: rename CONFIG_MEMORY_BALLOON -> CONFIG_BALLOON
Date: Thu, 15 Jan 2026 17:56:37 +0100 [thread overview]
Message-ID: <71f211f0-498b-4829-8370-0c22885856d5@kernel.org> (raw)
In-Reply-To: <20260115115228-mutt-send-email-mst@kernel.org>
On 1/15/26 17:53, Michael S. Tsirkin wrote:
> On Thu, Jan 15, 2026 at 05:33:56PM +0100, David Hildenbrand (Red Hat) wrote:
>> I'll note that the spec also defines a "DEVICE ID of Virtio Cpu balloon device as 47". But
>> no changes really happened in the spec with that for the last two years (only the
>> id is reserved).
>>
>>
>> [1] https://docs.oasis-open.org/virtio/virtio/v1.4/virtio-v1.4.html#x1-4260001
>
>
> Maybe that's a good reason to keep calling it "memory balloon".
>
> And hey, there's also the floating, pops easily kind and maybe someone
> will use those with linux in some way :)
There is only one true balloon ;) the others can specify it as
CPU_BALLOON. If that ever sees the light of day.
--
Cheers
David
next prev parent reply other threads:[~2026-01-15 16:56 UTC|newest]
Thread overview: 65+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-01-15 9:19 [PATCH v2 00/23] mm: balloon infrastructure cleanups David Hildenbrand (Red Hat)
2026-01-15 9:19 ` [PATCH v2 01/23] vmw_balloon: adjust BALLOON_DEFLATE when deflating while migrating David Hildenbrand (Red Hat)
2026-01-15 9:56 ` Lorenzo Stoakes
2026-01-15 9:19 ` [PATCH v2 02/23] vmw_balloon: remove vmballoon_compaction_init() David Hildenbrand (Red Hat)
2026-01-15 11:20 ` Lorenzo Stoakes
2026-01-15 9:19 ` [PATCH v2 03/23] powerpc/pseries/cmm: remove cmm_balloon_compaction_init() David Hildenbrand (Red Hat)
2026-01-15 11:46 ` Lorenzo Stoakes
2026-01-19 22:44 ` David Hildenbrand (Red Hat)
2026-01-15 9:19 ` [PATCH v2 04/23] mm/balloon_compaction: centralize basic page migration handling David Hildenbrand (Red Hat)
2026-01-15 12:18 ` Lorenzo Stoakes
2026-01-15 12:57 ` David Hildenbrand (Red Hat)
2026-01-19 22:22 ` David Hildenbrand (Red Hat)
2026-01-19 22:25 ` David Hildenbrand (Red Hat)
2026-01-15 9:19 ` [PATCH v2 05/23] mm/balloon_compaction: centralize adjust_managed_page_count() handling David Hildenbrand (Red Hat)
2026-01-15 14:06 ` Liam R. Howlett
2026-01-15 9:19 ` [PATCH v2 06/23] vmw_balloon: stop using the balloon_dev_info lock David Hildenbrand (Red Hat)
2026-01-15 12:21 ` Lorenzo Stoakes
2026-01-15 12:26 ` David Hildenbrand (Red Hat)
2026-01-15 9:19 ` [PATCH v2 07/23] mm/balloon_compaction: use a device-independent balloon (list) lock David Hildenbrand (Red Hat)
2026-01-15 9:19 ` [PATCH v2 08/23] mm/balloon_compaction: remove dependency on page lock David Hildenbrand (Red Hat)
2026-01-15 9:19 ` [PATCH v2 09/23] mm/balloon_compaction: make balloon_mops static David Hildenbrand (Red Hat)
2026-01-15 12:22 ` Lorenzo Stoakes
2026-01-15 9:20 ` [PATCH v2 10/23] mm/balloon_compaction: drop fs.h include from balloon_compaction.h David Hildenbrand (Red Hat)
2026-01-15 12:25 ` Lorenzo Stoakes
2026-01-15 9:20 ` [PATCH v2 11/23] drivers/virtio/virtio_balloon: stop using balloon_page_push/pop() David Hildenbrand (Red Hat)
2026-01-15 12:28 ` Lorenzo Stoakes
2026-01-15 9:20 ` [PATCH v2 12/23] mm/balloon_compaction: remove balloon_page_push/pop() David Hildenbrand (Red Hat)
2026-01-15 12:29 ` Lorenzo Stoakes
2026-01-15 9:20 ` [PATCH v2 13/23] mm/balloon_compaction: fold balloon_mapping_gfp_mask() into balloon_page_alloc() David Hildenbrand (Red Hat)
2026-01-15 12:30 ` Lorenzo Stoakes
2026-01-15 9:20 ` [PATCH v2 14/23] mm/balloon_compaction: move internal helpers to balloon_compaction.c David Hildenbrand (Red Hat)
2026-01-15 12:32 ` Lorenzo Stoakes
2026-01-15 9:20 ` [PATCH v2 15/23] mm/balloon_compaction: assert that the balloon_pages_lock is held David Hildenbrand (Red Hat)
2026-01-15 12:32 ` Lorenzo Stoakes
2026-01-15 9:20 ` [PATCH v2 16/23] mm/balloon_compaction: mark remaining functions for having proper kerneldoc David Hildenbrand (Red Hat)
2026-01-15 12:33 ` Lorenzo Stoakes
2026-01-15 9:20 ` [PATCH v2 17/23] mm/balloon_compaction: remove "extern" from functions David Hildenbrand (Red Hat)
2026-01-15 12:34 ` Lorenzo Stoakes
2026-01-15 9:20 ` [PATCH v2 18/23] mm/vmscan: drop inclusion of balloon_compaction.h David Hildenbrand (Red Hat)
2026-01-15 13:42 ` Lorenzo Stoakes
2026-01-15 9:20 ` [PATCH v2 19/23] mm: rename balloon_compaction.(c|h) to balloon.(c|h) David Hildenbrand (Red Hat)
2026-01-15 13:45 ` Lorenzo Stoakes
2026-01-15 9:20 ` [PATCH v2 20/23] mm/kconfig: make BALLOON_COMPACTION depend on MIGRATION David Hildenbrand (Red Hat)
2026-01-15 13:47 ` Lorenzo Stoakes
2026-01-15 9:20 ` [PATCH v2 21/23] mm: rename CONFIG_BALLOON_COMPACTION to CONFIG_BALLOON_MIGRATION David Hildenbrand (Red Hat)
2026-01-15 13:52 ` Lorenzo Stoakes
2026-01-15 9:20 ` [PATCH v2 22/23] mm: rename CONFIG_MEMORY_BALLOON -> CONFIG_BALLOON David Hildenbrand (Red Hat)
2026-01-15 13:55 ` Lorenzo Stoakes
2026-01-15 16:33 ` David Hildenbrand (Red Hat)
2026-01-15 16:50 ` Michael S. Tsirkin
2026-01-15 16:53 ` Michael S. Tsirkin
2026-01-15 16:56 ` David Hildenbrand (Red Hat) [this message]
2026-01-15 16:57 ` Lorenzo Stoakes
2026-01-15 9:20 ` [PATCH v2 23/23] MAINTAINERS: move memory balloon infrastructure to "MEMORY MANAGEMENT - BALLOON" David Hildenbrand (Red Hat)
2026-01-15 9:32 ` Michael S. Tsirkin
2026-01-15 11:21 ` David Hildenbrand (Red Hat)
2026-01-15 9:38 ` Lance Yang
2026-01-15 11:22 ` David Hildenbrand (Red Hat)
2026-01-15 9:39 ` Lorenzo Stoakes
2026-01-15 11:25 ` David Hildenbrand (Red Hat)
2026-01-15 12:01 ` Vlastimil Babka
2026-01-15 9:32 ` [PATCH v2 00/23] mm: balloon infrastructure cleanups Michael S. Tsirkin
2026-01-15 11:26 ` David Hildenbrand (Red Hat)
2026-01-15 18:49 ` Andrew Morton
2026-01-15 19:47 ` David Hildenbrand (Red Hat)
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