Re: [PATCH] xen/balloon: fix page onlining when populating new zone

2022-04-08 Thread Wei Yang
On Thu, Apr 07, 2022 at 11:00:33AM +0200, David Hildenbrand wrote: >On 07.04.22 10:50, Juergen Gross wrote: >> On 07.04.22 10:23, David Hildenbrand wrote: >>> On 06.04.22 15:32, Juergen Gross wrote: When onlining a new memory page in a guest the Xen balloon driver is adding it to the ball

Re: [PATCH] xen/balloon: fix page onlining when populating new zone

2022-04-07 Thread David Hildenbrand
On 07.04.22 10:50, Juergen Gross wrote: > On 07.04.22 10:23, David Hildenbrand wrote: >> On 06.04.22 15:32, Juergen Gross wrote: >>> When onlining a new memory page in a guest the Xen balloon driver is >>> adding it to the ballooned pages instead making it available to be >>> used immediately. This

Re: [PATCH] xen/balloon: fix page onlining when populating new zone

2022-04-07 Thread Juergen Gross
On 07.04.22 10:23, David Hildenbrand wrote: On 06.04.22 15:32, Juergen Gross wrote: When onlining a new memory page in a guest the Xen balloon driver is adding it to the ballooned pages instead making it available to be used immediately. This is meant to enable to add a new upper memory limit to

Re: [PATCH] xen/balloon: fix page onlining when populating new zone

2022-04-07 Thread David Hildenbrand
On 06.04.22 15:32, Juergen Gross wrote: > When onlining a new memory page in a guest the Xen balloon driver is > adding it to the ballooned pages instead making it available to be > used immediately. This is meant to enable to add a new upper memory > limit to a guest via hotplugging memory, withou

Re: [PATCH] xen/balloon: fix page onlining when populating new zone

2022-04-06 Thread kernel test robot
Hi Juergen, I love your patch! Yet something to improve: [auto build test ERROR on xen-tip/linux-next] [also build test ERROR on linus/master linux/master v5.18-rc1 next-20220406] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use

Re: [PATCH] xen/balloon: fix page onlining when populating new zone

2022-04-06 Thread kernel test robot
Hi Juergen, I love your patch! Perhaps something to improve: [auto build test WARNING on xen-tip/linux-next] [also build test WARNING on linus/master linux/master v5.18-rc1 next-20220406] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest

Re: [PATCH] xen/balloon: fix page onlining when populating new zone

2022-04-06 Thread kernel test robot
Hi Juergen, I love your patch! Perhaps something to improve: [auto build test WARNING on xen-tip/linux-next] [also build test WARNING on linus/master linux/master v5.18-rc1 next-20220406] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest

[PATCH] xen/balloon: fix page onlining when populating new zone

2022-04-06 Thread Juergen Gross
When onlining a new memory page in a guest the Xen balloon driver is adding it to the ballooned pages instead making it available to be used immediately. This is meant to enable to add a new upper memory limit to a guest via hotplugging memory, without having to assign the new memory in one go. In