On Thu, 23 Feb 2012 10:42:16 -0800 Arun Sharma <asharma@xxxxxx> wrote: > Hi Balbir, > > Thanks for reviewing. Would you change your position if I limit the > scope of the patch to a cgroup with a single address space? > > The moment the cgroup sees more than one address space (either due to > tasks getting created or being added), this optimization would be turned > off. > > More details below: > > On 2/22/12 11:45 PM, Balbir Singh wrote: > > > > So the assumption is that only apps that have access to each others > > VMA's will run in this cgroup? > > > > In a distributed computing environment, a user submits a job to the > cluster job scheduler. The job might involve multiple related > executables and might involve multiple address spaces. But they're > performing one logical task, have a single resource limit enforced by a > cgroup. > > They don't have access to each other's VMAs, but if "accidentally" one > of them comes across an uninitialized page with data from another task, > it's not a violation of the security model. > How do you handle shared resouce, file-cache ? Thanks, -Kame -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>