On 07/12/2010 05:55 AM, Xiao Guangrong wrote:
@@ -1011,6 +1021,23 @@ pfn_t gfn_to_pfn_memslot(struct kvm *kvm,
return hva_to_pfn(kvm, addr, false);
}
+int gfn_to_page_many_atomic(struct kvm *kvm, gfn_t gfn,
+ struct page **pages, int nr_pages, bool *enough)
+{
+ unsigned long addr;
+ int entry, ret;
+
+ addr = gfn_to_hva_many(kvm, gfn,&entry);
+ if (kvm_is_error_hva(addr))
+ return -1;
+
+ entry = min(entry, nr_pages);
+ *enough = (entry == nr_pages) ? true : false;
Why not return 0 if !enough?
I think it's better that handle the reset pages in the slot, for example,
we expect 16 pages are consecutive, but only 12 pages in the slot, the better
way is handle the reset 12 pages not throw those away.
It will almost never happen, let's remove edge cases.
--
error compiling committee.c: too many arguments to function
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