Re: [PATCH v6 0/8] kdump, vmcore: support mmap() on /proc/vmcore

[H. Peter Anvin]

On 05/16/2013 07:53 PM, Eric W. Biederman wrote:
> 
> That is completely and totally orthogonal to this change.
> 
> read_oldmem may have problems but in practice on a large systems those
> problems are totally dwarfed by real life performance issues that come
> from playing too much with the page tables.
> 
> I really don't find bringing up whatever foundational issues you have
> with read_oldmem() appropriate or relevant here.
> 

Well, it is in the sense that we have two pieces of code doing the same
thing, each with different bugs.

	-hpa


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