On 07/31/2017 03:51 PM, Michal Hocko wrote:
On Mon 31-07-17 15:41:49, Wei Wang wrote:
>On 07/31/2017 02:55 PM, Michal Hocko wrote:
> >On Mon 31-07-17 12:13:33, Wei Wang wrote:
> >>Ballooned pages will be marked as MADV_DONTNEED by the hypervisor and
> >>shouldn't be given to the host ksmd to
on qemu upstream, code in qemu/util/osdep.c
int qemu_madvise(void *addr, size_t len, int advice)
{
if (advice == QEMU_MADV_INVALID) {
errno = EINVAL;
return -1;
}
#if defined(CONFIG_MADVISE)
return madvise(addr, len, advice);
#elif
On Mon, Jul 31, 2017 at 10:37:24AM +0200, Michal Hocko wrote:
> On Mon 31-07-17 16:23:26, ZhenweiPi wrote:
> > On 07/31/2017 03:51 PM, Michal Hocko wrote:
> >
> > >On Mon 31-07-17 15:41:49, Wei Wang wrote:
> > >>>On 07/31/2017 02:55 PM, Michal Hocko wrote:
> > >On Mon 31-07-17 12:13:33, Wei
On Mon 31-07-17 16:23:26, ZhenweiPi wrote:
> On 07/31/2017 03:51 PM, Michal Hocko wrote:
>
> >On Mon 31-07-17 15:41:49, Wei Wang wrote:
> >>>On 07/31/2017 02:55 PM, Michal Hocko wrote:
> >On Mon 31-07-17 12:13:33, Wei Wang wrote:
> > >>Ballooned pages will be marked as MADV_DONTNEED by
On Mon 31-07-17 15:41:49, Wei Wang wrote:
> On 07/31/2017 02:55 PM, Michal Hocko wrote:
> >On Mon 31-07-17 12:13:33, Wei Wang wrote:
> >>Ballooned pages will be marked as MADV_DONTNEED by the hypervisor and
> >>shouldn't be given to the host ksmd to scan.
> >Could you point me where this
On 07/31/2017 02:55 PM, Michal Hocko wrote:
On Mon 31-07-17 12:13:33, Wei Wang wrote:
Ballooned pages will be marked as MADV_DONTNEED by the hypervisor and
shouldn't be given to the host ksmd to scan.
Could you point me where this MADV_DONTNEED is done, please?
Sure. It's done in the
On Mon 31-07-17 12:13:33, Wei Wang wrote:
> Ballooned pages will be marked as MADV_DONTNEED by the hypervisor and
> shouldn't be given to the host ksmd to scan.
Could you point me where this MADV_DONTNEED is done, please?
> Therefore, it is not
> necessary to zero ballooned pages, which is very
