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Re: [Xen-devel] BUG: xend oopses on munmap of /proc/xen/privcmd


On 26 Apr 2005, at 01:43, Rik van Riel wrote:

How do these two go together with ballooning ?

#define pfn_to_page(pfn)        (mem_map + (pfn))
#define pfn_valid(pfn)          ((pfn) < max_mapnr)

I'll comb through the changeset you mentioned.  Maybe I'll
find something ;)

Thanks. I'm pretty sure this issue is not at all connected with ballooning.

When a given pfn/page is 'ballooned out' then from the p.o.v. of the rest of the OS that pfn/page is allocated to the balloon driver. Thus noone else will be using the above macros at the same time.

 -- Keir


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