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| author | Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> | 2013-02-21 17:07:14 +0100 |
|---|---|---|
| committer | Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> | 2013-02-21 17:07:14 +0100 |
| commit | e29371d762df5bb35d2bc434ea266a046e5a0a75 (patch) | |
| tree | dac4a8db52d92453415f35606130a49e9f32e4ef /drivers/xen/balloon.c | |
| parent | 17b14ca25e9cd6c5cd7605941f6120e405a84f8b (diff) | |
| parent | 894e2ac82bd0029adce7ad6c8d25501fdd82c994 (diff) | |
Merge branch 'master' of git://1984.lsi.us.es/nf
Diffstat (limited to 'drivers/xen/balloon.c')
| -rw-r--r-- | drivers/xen/balloon.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/xen/balloon.c b/drivers/xen/balloon.c index d6886d90ccf..a56776dbe09 100644 --- a/drivers/xen/balloon.c +++ b/drivers/xen/balloon.c @@ -359,6 +359,7 @@ static enum bp_state increase_reservation(unsigned long nr_pages) set_phys_to_machine(pfn, frame_list[i]); +#ifdef CONFIG_XEN_HAVE_PVMMU /* Link back into the page tables if not highmem. */ if (xen_pv_domain() && !PageHighMem(page)) { int ret; @@ -368,6 +369,7 @@ static enum bp_state increase_reservation(unsigned long nr_pages) 0); BUG_ON(ret); } +#endif /* Relinquish the page back to the allocator. */ ClearPageReserved(page); @@ -416,13 +418,14 @@ static enum bp_state decrease_reservation(unsigned long nr_pages, gfp_t gfp) scrub_page(page); +#ifdef CONFIG_XEN_HAVE_PVMMU if (xen_pv_domain() && !PageHighMem(page)) { ret = HYPERVISOR_update_va_mapping( (unsigned long)__va(pfn << PAGE_SHIFT), __pte_ma(0), 0); BUG_ON(ret); } - +#endif } /* Ensure that ballooned highmem pages don't have kmaps. */ |