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