ACK: [SRU][Vivid][V2]Pull Request: Fixes for lp:1294283

[Brad Figg]

On Fri, Nov 20, 2015 at 04:44:01PM -0500, Joseph Salisbury wrote:
> The generation 2 VMs have been assinged a memory range of 512 MiB-4096MiB with 
> a starting memory of 512 MiB. They should get additional memory when needed. 
> However, the total available memory in the VM stays at the intial 512 MiB and the 
> kernel starts swapping instead of allocating more memory from the host.
> 
> The primary patch is commit to fix this bug is:
> 4e4bd36f9 - Drivers: hv: balloon: check if ha_region_mutex was acquired in MEM_CANCEL_ONLINE case
> 
> However, Vivid requires addition prereqs requested in thie pull request.
> 
> This primary patch was already applied to Wily.  However, Vivid and Trusty need backports.  
> This pull request is specific to Vivid and a Trusty pull request will be sent
> as it's own SRU.  This is a V2 pull request because V1 was missing this 
> request details.
>  
> 
> 
> The following changes since commit 2497037c0eaad700846db8e1e716ea5f6fc06439:
> 
>   UBUNTU: Ubuntu-3.19.0-33.38 (2015-11-05 18:58:47 +0000)
> 
> are available in the git repository at:
> 
>   kernel.ubuntu.com:/srv/kernel.ubuntu.com/git/jsalisbury/bugs/lp1294283/ubuntu-vivid.git 
> 
> for you to fetch changes up to 56d40e0dd99903196eb09ad75c198f54612f1722:
> 
>   mm: initialize hotplugged pages as reserved (2015-11-20 15:59:00 -0500)
> 
> ----------------------------------------------------------------
> Mel Gorman (4):
>       mm: meminit: make __early_pfn_to_nid SMP-safe and introduce meminit_pfn_in_nid
>       mm: meminit: inline some helper functions
>       mm, meminit: allow early_pfn_to_nid to be used during runtime
>       mm: initialize hotplugged pages as reserved
> 
> Vitaly Kuznetsov (5):
>       Drivers: hv: hv_balloon: refuse to balloon below the floor
>       Drivers: hv: hv_balloon: survive ballooning request with num_pages=0
>       Drivers: hv: hv_balloon: correctly handle val.freeram<num_pages case
>       Drivers: hv: hv_balloon: correctly handle num_pages>INT_MAX case
>       Drivers: hv: balloon: check if ha_region_mutex was acquired in MEM_CANCEL_ONLINE case
> 
>  arch/ia64/mm/numa.c     | 19 ++++------
>  drivers/hv/hv_balloon.c | 41 ++++++++++++---------
>  include/linux/mm.h      |  6 ++--
>  include/linux/mmzone.h  | 15 +++++---
>  mm/memory_hotplug.c     | 10 +++++-
>  mm/page_alloc.c         | 95 +++++++++++++++++++++++++++++++------------------
>  6 files changed, 114 insertions(+), 72 deletions(-)
> 
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Positive testing.

-- 
Brad Figg brad.figg at canonical.com http://www.canonical.com