[patch 0/2] Protect crashkernel against BSS overlap

Andi Kleen andi at firstfloor.org
Tue Oct 16 05:59:55 EDT 2007

Vivek Goyal <vgoyal at in.ibm.com> writes:

> Wouldn't it be better if we reserve the code, data and bss memory also
> using bootmem allocator and when somebody tries to reserve craskernel memory
> and if there is an overlap, boot memory allocator should scream?

Some x86 bootmem code right now relies on it not screaming (or at least not
erroring out). That would need to be fixed first. Or you make it a flag.
Would probably make sense, except that we already have too many bootmem
allocation variants :/


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