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Groups > linux.kernel > #1193204
| From | Joerg Roedel <joro@8bytes.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH v2] Do not reserve crashkernel high memory if crashkernel low memory reserving failed |
| Date | 2015-07-27 16:50 +0200 |
| Message-ID | <pQRT4-4QW-15@gated-at.bofh.it> (permalink) |
| References | <pNUDM-Tc-27@gated-at.bofh.it> <pNYem-5Rw-21@gated-at.bofh.it> <pOAjD-1Hy-7@gated-at.bofh.it> <pOAjD-1Hy-5@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
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 majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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Re: [PATCH v2] Do not reserve crashkernel high memory if crashkernel low memory reserving failed Joerg Roedel <joro@8bytes.org> - 2015-07-27 16:50 +0200
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