[patch 0/2] Protect crashkernel against BSS overlap
bwalle at suse.de
Tue Oct 16 12:26:46 EDT 2007
* Andi Kleen <andi at firstfloor.org> [2007-10-16 11:59]:
> 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 :/
Ok, I made a flag, see the next version of the patch.
More information about the kexec