On Wed, Aug 17, 2011 at 2:52 PM, Riccardo Murri <riccardo.mu...@gmail.com> wrote: > Hi Richard, > > On Tue, Aug 16, 2011 at 10:41 AM, richard -rw- weinberger > <richard.weinber...@gmail.com> wrote: >> Memory within UML is mapped to the "real" memory on the host side >> using mmap(). [...] On my desktop /proc/sys/vm/max_map_count is >> 65530, so UML can map up to 65530 4k pages which is 256M. I guess >> your program needs more than 256M, try to increase max_map_count. > > Is there any way to work around this "UML-side", i.e., without having > to touch /proc/sys/ on the host? > > For instance: can UML use large memory pages and would > anything change in that case?
I doubt it because UML has to use the same page size than the host. Larger mappings would also requite larger a page size... -- Thanks, //richard ------------------------------------------------------------------------------ Get a FREE DOWNLOAD! and learn more about uberSVN rich system, user administration capabilities and model configuration. Take the hassle out of deploying and managing Subversion and the tools developers use with it. http://p.sf.net/sfu/wandisco-d2d-2 _______________________________________________ User-mode-linux-user mailing list User-mode-linux-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/user-mode-linux-user
