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Re: [Qemu-devel] [PATCH v2 0/3] migration capability to discard the migr
From: |
Dr. David Alan Gilbert |
Subject: |
Re: [Qemu-devel] [PATCH v2 0/3] migration capability to discard the migrated ram pages |
Date: |
Fri, 10 Feb 2017 15:12:47 +0000 |
User-agent: |
Mutt/1.7.1 (2016-10-04) |
* Pavel Butsykin (address@hidden) wrote:
> This feature frees the migrated memory on the source during postcopy-ram
> migration. In the second step of postcopy-ram migration when the source vm
> is put on pause we can free unnecessary memory. It will allow, in particular,
> to start relaxing the memory stress on the source host in a load-balancing
> scenario.
Queued.
>
> Changes from v1:
> - changed name of the interfaces (discard to release)
> - fix make check error
> - add more comments to qemu_iovec_release_ram()
> - rebase on "Postcopy: Hugepage support" (David's patch series)
> - removed ram_discard_page for xbzrle
> - fix erroneous release memory in complete precopy (tie release-ram to
> postcopy)
>
> Pavel Butsykin (3):
> migration: add MigrationState arg for ram_save_/compressed_/page()
> add 'release-ram' migrate capability
> migration: discard non-dirty ram pages after the start of postcopy
>
> include/migration/migration.h | 2 ++
> include/migration/qemu-file.h | 3 ++-
> migration/migration.c | 13 ++++++++++
> migration/qemu-file.c | 59
> ++++++++++++++++++++++++++++++++++++++-----
> migration/ram.c | 56 ++++++++++++++++++++++++++++++++++------
> qapi-schema.json | 5 +++-
> 6 files changed, 121 insertions(+), 17 deletions(-)
>
> --
> 2.11.0
>
>
--
Dr. David Alan Gilbert / address@hidden / Manchester, UK
- [Qemu-devel] [PATCH v2 2/3] add 'release-ram' migrate capability, (continued)
[Qemu-devel] [PATCH v2 1/3] migration: add MigrationState arg for ram_save_/compressed_/page(), Pavel Butsykin, 2017/02/03
[Qemu-devel] [PATCH v2 3/3] migration: discard non-dirty ram pages after the start of postcopy, Pavel Butsykin, 2017/02/03
Re: [Qemu-devel] [PATCH v2 0/3] migration capability to discard the migrated ram pages, no-reply, 2017/02/03
Re: [Qemu-devel] [PATCH v2 0/3] migration capability to discard the migrated ram pages,
Dr. David Alan Gilbert <=
Re: [Qemu-devel] [PATCH v2 0/3] migration capability to discard the migrated ram pages, Dr. David Alan Gilbert, 2017/02/14