Re: [Xen-devel] [PATCH v4 1/2] xenbus/backend: Add memory pressure handler callback

2019-12-09 Thread SeongJae Park
On Tue, Dec 10, 2019 at 7:23 AM Jürgen Groß wrote: > > On 09.12.19 20:43, SeongJae Park wrote: > > From: SeongJae Park > > > > Granting pages consumes backend system memory. In systems configured > > with insufficient spare memory for those pages, it can cause a memory > > pressure situation. H

Re: [Xen-devel] [PATCH v4 1/2] xenbus/backend: Add memory pressure handler callback

2019-12-09 Thread SeongJae Park
On Tue, Dec 10, 2019 at 7:11 AM Jürgen Groß wrote: > > On 09.12.19 20:43, SeongJae Park wrote: > > From: SeongJae Park > > > > Granting pages consumes backend system memory. In systems configured > > with insufficient spare memory for those pages, it can cause a memory > > pressure situation. H

Re: [Xen-devel] [PATCH v4 1/2] xenbus/backend: Add memory pressure handler callback

2019-12-09 Thread Jürgen Groß
On 09.12.19 20:43, SeongJae Park wrote: From: SeongJae Park Granting pages consumes backend system memory. In systems configured with insufficient spare memory for those pages, it can cause a memory pressure situation. However, finding the optimal amount of the spare memory is challenging for

Re: [Xen-devel] [PATCH v4 1/2] xenbus/backend: Add memory pressure handler callback

2019-12-09 Thread Jürgen Groß
On 09.12.19 20:43, SeongJae Park wrote: From: SeongJae Park Granting pages consumes backend system memory. In systems configured with insufficient spare memory for those pages, it can cause a memory pressure situation. However, finding the optimal amount of the spare memory is challenging for

[Xen-devel] [PATCH v4 1/2] xenbus/backend: Add memory pressure handler callback

2019-12-09 Thread SeongJae Park
From: SeongJae Park Granting pages consumes backend system memory. In systems configured with insufficient spare memory for those pages, it can cause a memory pressure situation. However, finding the optimal amount of the spare memory is challenging for large systems having dynamic resource uti