Displaying 1 result from an estimated 1 matches for "balloon_scratch_page".
2013 Aug 27
1
[PATCH] xen/balloon: don't set P2M entry for auto translated guest
...30,8 +430,13 @@ static enum bp_state decrease_reservation(unsigned long nr_pages, gfp_t gfp)
/* No more mappings: invalidate P2M and add to balloon. */
for (i = 0; i < nr_pages; i++) {
pfn = mfn_to_pfn(frame_list[i]);
- __set_phys_to_machine(pfn,
- pfn_to_mfn(page_to_pfn(__get_cpu_var(balloon_scratch_page))));
+ if (!xen_feature(XENFEAT_auto_translated_physmap)) {
+ unsigned long p;
+ struct page *pg;
+ pg = __get_cpu_var(balloon_scratch_page);
+ p = page_to_pfn(pg);
+ __set_phys_to_machine(pfn, pfn_to_mfn(p));
+ }
balloon_append(pfn_to_page(pfn));
}
--
1.7.10.4