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Re: [Qemu-devel] [PATCH v9 2/5] virtio-balloon: VIRTIO_BALLOON_F_BALLOON
From: |
Matthew Wilcox |
Subject: |
Re: [Qemu-devel] [PATCH v9 2/5] virtio-balloon: VIRTIO_BALLOON_F_BALLOON_CHUNKS |
Date: |
Thu, 13 Apr 2017 10:03:46 -0700 |
User-agent: |
Mutt/1.7.1 (2016-10-04) |
On Thu, Apr 13, 2017 at 07:34:19PM +0300, Michael S. Tsirkin wrote:
> So we don't need the bitmap to talk to host, it is just
> a data structure we chose to maintain lists of pages, right?
> OK as far as it goes but you need much better isolation for it.
> Build a data structure with APIs such as _init, _cleanup, _add, _clear,
> _find_first, _find_next.
> Completely unrelated to pages, it just maintains bits.
> Then use it here.
That sounds an awful lot like the xbitmap I wrote a few months ago ...
http://git.infradead.org/users/willy/linux-dax.git/commit/727e401bee5ad7d37e0077291d90cc17475c6392
- [Qemu-devel] [PATCH v9 0/5] Extend virtio-balloon for fast (de)inflating & fast live migration, Wei Wang, 2017/04/13
- [Qemu-devel] [PATCH v9 1/5] virtio-balloon: deflate via a page list, Wei Wang, 2017/04/13
- [Qemu-devel] [PATCH v9 2/5] virtio-balloon: VIRTIO_BALLOON_F_BALLOON_CHUNKS, Wei Wang, 2017/04/13
- Re: [Qemu-devel] [PATCH v9 2/5] virtio-balloon: VIRTIO_BALLOON_F_BALLOON_CHUNKS, Michael S. Tsirkin, 2017/04/13
- Re: [Qemu-devel] [PATCH v9 2/5] virtio-balloon: VIRTIO_BALLOON_F_BALLOON_CHUNKS,
Matthew Wilcox <=
- Re: [Qemu-devel] [virtio-dev] Re: [PATCH v9 2/5] virtio-balloon: VIRTIO_BALLOON_F_BALLOON_CHUNKS, Wei Wang, 2017/04/14
- Re: [Qemu-devel] [virtio-dev] Re: [PATCH v9 2/5] virtio-balloon: VIRTIO_BALLOON_F_BALLOON_CHUNKS, Michael S. Tsirkin, 2017/04/14
- Re: [Qemu-devel] [virtio-dev] Re: [PATCH v9 2/5] virtio-balloon: VIRTIO_BALLOON_F_BALLOON_CHUNKS, Wei Wang, 2017/04/16
- Re: [Qemu-devel] [virtio-dev] Re: [PATCH v9 2/5] virtio-balloon: VIRTIO_BALLOON_F_BALLOON_CHUNKS, Wang, Wei W, 2017/04/26
- Re: [Qemu-devel] [virtio-dev] Re: [PATCH v9 2/5] virtio-balloon: VIRTIO_BALLOON_F_BALLOON_CHUNKS, Michael S. Tsirkin, 2017/04/26
- Re: [Qemu-devel] [virtio-dev] Re: [PATCH v9 2/5] virtio-balloon: VIRTIO_BALLOON_F_BALLOON_CHUNKS, Wei Wang, 2017/04/27
[Qemu-devel] [PATCH v9 4/5] mm: export symbol of next_zone and first_online_pgdat, Wei Wang, 2017/04/13
[Qemu-devel] [PATCH v9 5/5] virtio-balloon: VIRTIO_BALLOON_F_MISC_VQ, Wei Wang, 2017/04/13