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xen-devel
Re: [Xen-devel] [RFC][PATCH 2/2] Add hcall to probe Xen heap
* Keir Fraser <keir@xxxxxxxxxxxxx> [2007-07-06 10:17]:
> First, it should be a sysctl, not a domctl. Second, please add the zone
> range checks into the function you added to page_alloc.c. This will avoid
> making use of allocator-private defines outside of page_alloc.c (so you can
> avoid moving NR_ZONES into mm.h.
We need access to NR_ZONES so we can calculate zone_hi limit as the user
might not have put in a value for zone_hi, and NR_ZONES would truncate
that. I've moved the calculation into avail_heap_pages(), but had to
change the signature to take a pointer to the nr_zone value that will be
calculated. I don't really like it that much so I'm open to suggestions
on a different approach.
--
Ryan Harper
Software Engineer; Linux Technology Center
IBM Corp., Austin, Tx
(512) 838-9253 T/L: 678-9253
ryanh@xxxxxxxxxx
add_availheap_hcall.patch
Description: Text document
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