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Hi, this is an idea that is based on Andrea Arcangeli's original idea to host enforce guest access to memory given up using virtio-balloon using userfaultfd in the hypervisor. While looking into the details, I realized that host-enforcing virtio-balloon would result in way too many problems (mainly backwards compatibility) and would also have some conceptual restrictions that I want to avoid.

Hi, this is an idea that is based on Andrea Arcangeli's original idea to host enforce guest access to memory given up using virtio-balloon using userfaultfd in the hypervisor. While looking into the details, I realized that host-enforcing virtio-balloon would result in way too many problems (mainly backwards compatibility) and would also have some conceptual restrictions that I want to avoid.

SimCity 4 has a lot of problems of its own that cause it to Crash to the Desktop quite often. However, the failure to provide more than one back buffer makes it hard to run large cities, and has gotten past annoyance for me, at least. Here is my latest log, from initiation of the game to the point where I finally killed it because the graphics had gone crazy again. My system has MB of graphics

Btw, I am thinking about the following addition to the concept: 1. Add a type to each virtio-mem device. This describes the type of the memory region we expose to the guest. Initially, we could have RAM and RAM_HUGE. The latter one would be interesting, because the guest would know that this memory is based on huge pages in case we would ever want to expose different RAM types to a guest (the

On 02.03.20 14:49, David Hildenbrand wrote: > This series is based on latest linux-next. The patches are located at: > https://github.com/davidhildenbrand/linux.git virtio-mem-v1 > > The basic idea of virtio-mem is to provide a flexible, > cross-architecture memory hot(un)plug solution that avoids many limitations > imposed by existing technologies, architectures, and

In this email to the R-help list: https://stat.ethz.ch/pipermail/r-help/2017-June/447474.html and in this question on Stackoverflow: https://stackoverflow.com/questions/44486643/nleqslv-memory-use-in-r Andrew Leach has raised a question about the memory usage of my package nleqslv. In a model with a loop within a function he has experienced continuously increasing memory usage by package nleqslv

Hi all, I am currently building an application based on R 1.7.1 (+ compiled C/C++ code + MySql + VB). I am building this application to work on 2 different platforms (Windows XP Professional (500mb memory) and Windows NT 4.0 with service pack 6 (1gb memory)). This is a very memory intensive application performing sophisticated operations on "large" matrices (typically 5000x1500

Hi, Here are three small but important libxl/xl memory management patches: - libxl: xl mem-max et consortes must update static-max in xenstore too, - xl: Allow user to configure xl mem-set behavior, - xl: Improve xl documentation in regards to guest memory management. Daniel

Hi David > Hi all, So I have been playing around with XCP and the static/dynamic > memory parameters. I have a few behavioral questions I would like to > pin down: > > -Is the static-max quantity of free memory on the host always > required before the guest vm can be started? I assume so since you > don''t know a-priori if the guest you are booting supports Xen or

I got really strange situation with memory on host: xe host-list params=memory-free memory-free ( RO) : 10305536 (10Mb) xe host-compute-free-memory 3147059200 (3Gb) A huge difference! And xentop show different numbers too! I will keep this host online "as is" and I am ready to provide information for debbugging or perform needed actions. -- wBR,George.

I have program which memory use 500MB for OS Windows, but this program + wine in OS Linux use 3.6 GB. 1 wine+ program process use 3.6 GB virtual memory. How to reduce quantity of used memory for 1 process?

On 23.05.2018 20:24, David Hildenbrand wrote: > This is the Linux driver side of virtio-mem. Compared to the QEMU side, > it is in a pretty complete and clean state. > > virtio-mem is a paravirtualized mechanism of adding/removing memory to/from > a VM. We can do this on a 4MB granularity right now. In Linux, all > memory is added to the ZONE_NORMAL, so unplugging cannot be

A lot of people in the security community, myself included, are interested in memory forensics these days. Virtualization is a natural fit with memory forensics because it allows one to get access to a guest's memory without having to introduce any extra software into the guest or otherwise interfere with it. Incident responders are particularly interested in getting memory dumps from

I tried to use a Puppet variable named "$memory" and access it from a template, like this: $memory = 4711 file { "/tmp/test.txt": content => inline_template("memory = <%= memory %>\n"); } One would think that my file would contain "memory = 4711" after that, but instead the memory variable seems to hold a

Hi guys, despite reading hours and hours in the internet i'm still struggling with "memory", "currentmemory" and "maxMemory". Maybe you can help me to sort it out. My idea is that a guest has an initial value of memory (which "memory" seems to be) when booting. We have some Windows 10 guests which calculate some stuff and i would like to increase

I am trying to allow domains'' memory allocation to be altered by using both the "memory" and "maxmem" options in my config files (i.e. set maxmem to some large value to allow the domain to be resized up to that amount, and memory to set the initial allocation). However I appear to lose potentially quite a large chunk of memory as I use a larger "maxmem"

Hello I am running Windows Vista 32 with 4 GB (installed, though Windows of cours= e only recognizes 3326 MB, as reported by Windows "My Computer") I am running R 2.7.1 I was trying to read in a comma delimited single column CSV file, assign th= at file to a variable ("data") and then extract a sample (assigned to "part= ial"). I was getting memory allocation

Hi all I have CentOS Linux release 7.0.1406, libvirt 1.2.7 installed. Just after create and start inside LXC container present cgroups. Example for memory: [root@ce7-t1 /]# ls -la /sys/fs/cgroup/memory/ total 0 drwxr-xr-x 2 root root 0 Sep 15 17:14 . drwxr-xr-x 12 root root 280 Sep 15 17:14 .. -rw-r--r-- 1 root root 0 Sep 15 17:14 cgroup.clone_children --w--w--w- 1 root root 0 Sep 15

My machine has 4Gb of memory under WinXP Pro. Re-reading R for Windows FAQ 2.7 I discovered that I can use editbin to add the "/LARGEADDRESSAWARE" tag in the header without re-compiling, so that is what I did. I also check that it worked using dumpbin. I then edited my Boot.ini file to add the /3GB switch. Then I went to my R.0.0.1 patched that I modified as above and checked memory