[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Qemu-devel] [PATCH 0/2] migration capability to discard the migrate
|
From: |
Denis V. Lunev |
|
Subject: |
Re: [Qemu-devel] [PATCH 0/2] migration capability to discard the migrated ram pages |
|
Date: |
Wed, 25 Jan 2017 19:50:06 +0300 |
|
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.5.1 |
On 01/16/2017 06:51 PM, Pavel Butsykin 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.
>
> Pavel Butsykin (2):
> add 'discard-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 | 11 ++++++++
> migration/qemu-file.c | 59
> ++++++++++++++++++++++++++++++++++++++-----
> migration/ram.c | 49 ++++++++++++++++++++++++++++++++++-
> qapi-schema.json | 5 +++-
> 6 files changed, 119 insertions(+), 10 deletions(-)
>
ping