> Again, for distribution, when new kernel is added, new kernel will all > have ",high" > and new kexec-tools get installed. > > Even we want to extend crashkernel=XM, then i would like to have > it identical to crashkernel=XM,high instead. My points: I can accept the approach of extending crashkernel=XM to use high mem firstly if we could remove the extra 72M in low mem, but apparently it's not doable now. So I would vote for Chao's patch. Also newer kernel use more complex ",high" then older kernel looks not good. Thanks Dave