On Thu, 2007-06-28 at 19:03 +0200, Matias Zabaljauregui wrote: > Hello Rusty, > > I'have just started to read the code (and I'm not an expert kernel > programmer), but is this condition ok ? > > > (function setup_pagetables(), on file Documentation/lguest.c ) > > /* Ideally we map all physical memory starting at page_offset. > * However, if page_offset is 0xC0000000 we can only map 1G of > physical > * (0xC0000000 + 1G overflows). */ > > if (mem > -page_offset) > mapped_pages = mem/getpagesize(); > else > mapped_pages = -page_offset/getpagesize(); Hi Matias, I think so: these are unsigned values, so "-page_offset" is the address space available for kernel memory (usually 1G). It's a little strange-looking, I admit. Hope that helps, Rusty. _______________________________________________ Virtualization mailing list Virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/virtualization
