[Devel] [TRD] optimization for zero-filled pages written by VMs

2017-09-07 Thread Konstantin Khorenko
1. Feature Optimization for zero-filled pages written by VMs https://jira.sw.ru/browse/PSBM-64658 2. Description Any page before being written to the physical swap is checked if it is filled by zeroes and mapped to a zero page in this case instead of actual swap out. The feature is implemented

Re: [Devel] [TRD] optimization for zero-filled pages written by VMs

2017-09-08 Thread Roman Kagan
On Thu, Sep 07, 2017 at 04:41:11PM +0300, Konstantin Khorenko wrote: > 1. Feature > > Optimization for zero-filled pages written by VMs > https://jira.sw.ru/browse/PSBM-64658 > > 2. Description > > Any page before being written to the physical swap is checked if it is filled > by zeroes and mapp

Re: [Devel] [TRD] optimization for zero-filled pages written by VMs

2017-09-08 Thread Konstantin Khorenko
On 09/08/2017 11:04 AM, Roman Kagan wrote: On Thu, Sep 07, 2017 at 04:41:11PM +0300, Konstantin Khorenko wrote: 1. Feature Optimization for zero-filled pages written by VMs https://jira.sw.ru/browse/PSBM-64658 2. Description Any page before being written to the physical swap is checked if it