Some firmware will provide a ACPI HEST table with massive amount of entries, and the way how kernel handles these entries will consume a lot of memory which will lead to OOM issue in kdump kernel. During testing on certain machine, disable HEST saved ~60M of memory. Kdump is only for emergency use in case of a kernel panic, so temporarily disable hardware error report & recovery related feature is acceptable in general. So disable HEST support in kdump kernel to save memory. Currently such issue is only observed on x86_64, so limit this change to x86_64 only. Signed-off-by: Kairui Song <kasong@redhat.com> Acked-by: Dave Young <dyoung@redhat.com>
Adding a patch to kexec-tools ============================= There is a mailing list kexec@lists.fedoraproject.org where all the dicussion related to fedora kexec-tools happen. All the patches are posted there for inclusion and committed to kexec-tools after review. So if you want your patches to be included in fedora kexec-tools package, post these to kexec@lists.fedoraproject.org. One can subscribe to list and browse through archives here. https://admin.fedoraproject.org/mailman/listinfo/kexec
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