On Fri, Mar 29, 2019 at 12:52 AM Michal Hocko wrote:
>
> On Thu 28-03-19 18:28:36, Shakeel Butt wrote:
> > A VCPU of a VM can allocate upto three pages which can be mmap'ed by the
> > user space application. At the moment this memory is not charged. On a
> > large machine running large number of V
On Thu, Mar 28, 2019 at 08:59:45PM -0700, Shakeel Butt wrote:
> On Thu, Mar 28, 2019 at 7:36 PM Matthew Wilcox wrote:
> > I don't understand why we need a PageKmemcg anyway. We already
> > have an entire pointer in struct page; can we not just check whether
> > page->mem_cgroup is NULL or not?
>
On Thu 28-03-19 18:28:36, Shakeel Butt wrote:
> A VCPU of a VM can allocate upto three pages which can be mmap'ed by the
> user space application. At the moment this memory is not charged. On a
> large machine running large number of VMs (or small number of VMs having
> large number of VCPUs), this
On Thu, Mar 28, 2019 at 7:36 PM Matthew Wilcox wrote:
>
> On Thu, Mar 28, 2019 at 06:28:36PM -0700, Shakeel Butt wrote:
> > A VCPU of a VM can allocate upto three pages which can be mmap'ed by the
> > user space application. At the moment this memory is not charged. On a
> > large machine running
On Thu, Mar 28, 2019 at 06:28:36PM -0700, Shakeel Butt wrote:
> A VCPU of a VM can allocate upto three pages which can be mmap'ed by the
> user space application. At the moment this memory is not charged. On a
> large machine running large number of VMs (or small number of VMs having
> large number
A VCPU of a VM can allocate upto three pages which can be mmap'ed by the
user space application. At the moment this memory is not charged. On a
large machine running large number of VMs (or small number of VMs having
large number of VCPUs), this unaccounted memory can be very significant.
So, this
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