[PATCH 3/3] Limit E820 map when a user-defined memory map is specified

Bernhard Walle bwalle at suse.de
Sun Jun 22 15:56:35 EDT 2008

* "Yinghai Lu" <yhlu.kernel at gmail.com> [2008-06-20 13:34]:
> any problem that you encountered without this patch?

Sorry, forgot to answer that question.

Yes, if you use mem=3G and take a dump, kexec builds the ELF core
headers for the full memory size, which means that the dump is as large
as the physical memory of the machine is, which doesn't make sense.

Bernhard Walle, SUSE LINUX Products GmbH, Architecture Development

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