I thought I would try something a little bit more complex for my next go at delving into the VirtualBox source code however have become stuck and am hoping that someone from Sun can give me a pointer in the right direction.
Kernel Samepage Merging has come to the linux kernel (Released in RHEL5.4 and Fedora 12) and is utilised by KVM to perform memory overcommit for virtual machines. Where exactly does VirtualBox allocate the VM memory structures? I was finding code over the MM and PGM code but not exactly sure where the actual allocation occurs. I suspect that both the VirtualBox runtime and the host memory can be tagged as mergeable. Host memory might be the best one to test out first (the code change is trivial and advises the kernel that the memory is mergeable and request the kernel to scan for identical pages) I hope someone is able to help. -- UTS CRICOS Provider Code: 00099F DISCLAIMER: This email message and any accompanying attachments may contain confidential information. If you are not the intended recipient, do not read, use, disseminate, distribute or copy this message or attachments. If you have received this message in error, please notify the sender immediately and delete this message. Any views expressed in this message are those of the individual sender, except where the sender expressly, and with authority, states them to be the views the University of Technology, Sydney. Before opening any attachments, please check them for viruses and defects. _______________________________________________ vbox-dev mailing list [email protected] http://vbox.innotek.de/mailman/listinfo/vbox-dev
