06.01.2016 11:50, Daniel Kahn Gillmor пишет: > Hi grub folks-- > > Is there a way that a grub script (or the grub commandline) can report > the amount of available memory? > > It seems like it would be useful in situations like a liveCD or bootable > image that might want to warn the user up front if the available RAM is > smaller than the advertised minimum. (e.g. Tails or debirf) > > Currently, when systems boot with less memory than their minimums, they > often end up with a kernel dump or something similarly unintelligible to > most users. A well-crafted grub configfile for such an image could > provide the user with something more understandable, or at least warn > the user before continuing that the available memory is believed to be > inadequate. > > I could also imagine a use case like an automated boot process that > selects some x86_64 kernel or boot options on machines with > 4GiB of > RAM and plain x86 for machines with less. > > any pointers to how to do this? >
Look at lsmmap; in principle, it could be extended to report totals and set value to variable, or another command added. _______________________________________________ Grub-devel mailing list Grub-devel@gnu.org https://lists.gnu.org/mailman/listinfo/grub-devel