Re: [GIT PULL 0/1] KVM: s390: Fix for 5.8

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On 23/06/20 11:23, Janosch Frank wrote:
> Hi Paolo,
> 
> please pull this fix reducing the number of (currently unused) iopins
> for kvm/master.
> 
> 
> The following changes since commit b3a9e3b9622ae10064826dccb4f7a52bd88c7407:
> 
>   Linux 5.8-rc1 (2020-06-14 12:45:04 -0700)
> 
> are available in the Git repository at:
> 
>   git://git.kernel.org/pub/scm/linux/kernel/git/kvms390/linux.git tags/kvm-s390-master-5.8-3
> 
> for you to fetch changes up to 774911290c589e98e3638e73b24b0a4d4530e97c:
> 
>   KVM: s390: reduce number of IO pins to 1 (2020-06-18 09:48:19 +0200)
> 
> ----------------------------------------------------------------
> The current number of KVM_IRQCHIP_NUM_PINS results in an order 3
> allocation (32kb) for each guest start/restart which can result in OOM
> killer activity when kernel memory is fragmented enough.
> 
> This fix reduces the number of iopins as s390 doesn't use them, hence
> reducing the memory footprint.
> 
> ----------------------------------------------------------------
> 
> Christian Borntraeger (1):
>   KVM: s390: reduce number of IO pins to 1
> 
>  arch/s390/include/asm/kvm_host.h | 8 ++++----
>  1 file changed, 4 insertions(+), 4 deletions(-)
> 

Pulled, thanks.  Unfortunately this missed my 5.8-rc3 pull request by a
day, but at least it's safe and sound in kvm/master.

Paolo




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