On Tue, Jul 21, 2015 at 09:38:14AM +0200, Ingo Molnar wrote: > Also, why was this syntax introduced in the first place? Why should the user > care?? > > We should only have a single crashkernel option, to enable it - and > everything > else should be figured out by the kernel, automatically. > > Any other sub-options just paper over some fragility elsewhere and make the > feature harder to use, hence more fragile.
Hmm, maybe the reason is that old userspace (kdump/kexec tools) can't deal with crashkernel loaded high, so that the default for crashkernel=size allocations was kept to be under 896MB. If that's not an issue we can change the default and get rid of the ,high and ,low syntax. Joerg -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/