On Thu, Jul 16, 2015 at 2:58 AM, Chen, Tiejun <tiejun.c...@intel.com> wrote: >> I think I would say: >> >> -- >> Now use the hypervisor-supplied memory map to build our final e820 table: >> * Add regions for BIOS ranges and other special mappings not in the >> hypervisor map >> * Add in the hypervisor regions >> * Adjust the lowmem and highmem regions if we've had to relocate >> memory (adding a highmem region if necessary) >> * Sort all the ranges so that they appear in memory order. >> -- > > > I'll update this and thanks a lot. > >> >>> >>> CC: Keir Fraser <k...@xen.org> >>> CC: Jan Beulich <jbeul...@suse.com> >>> CC: Andrew Cooper <andrew.coop...@citrix.com> >>> CC: Ian Jackson <ian.jack...@eu.citrix.com> >>> CC: Stefano Stabellini <stefano.stabell...@eu.citrix.com> >>> CC: Ian Campbell <ian.campb...@citrix.com> >>> CC: Wei Liu <wei.l...@citrix.com> >>> Signed-off-by: Tiejun Chen <tiejun.c...@intel.com> >>> --- > > > [snip] > >>> + /* Low RAM goes here. Reserve space for special pages. */ >>> + BUG_ON(low_mem_end < (2u << 20)); >> >> >> Won't this BUG if the guest was actually given less than 2GiB of RAM? > > > 2u << 20 = 0x200000, so this is 2M, not 2G :)
Oh, right. :-) -George _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org http://lists.xen.org/xen-devel