diff options
Diffstat (limited to 'drivers/xen/mem-reservation.c')
| -rw-r--r-- | drivers/xen/mem-reservation.c | 27 |
1 files changed, 10 insertions, 17 deletions
diff --git a/drivers/xen/mem-reservation.c b/drivers/xen/mem-reservation.c index 3782cf070338..24648836e0d4 100644 --- a/drivers/xen/mem-reservation.c +++ b/drivers/xen/mem-reservation.c @@ -35,6 +35,7 @@ void __xenmem_reservation_va_mapping_update(unsigned long count, for (i = 0; i < count; i++) { struct page *page = pages[i]; unsigned long pfn = page_to_pfn(page); + int ret; BUG_ON(!page); @@ -46,16 +47,10 @@ void __xenmem_reservation_va_mapping_update(unsigned long count, set_phys_to_machine(pfn, frames[i]); - /* Link back into the page tables if not highmem. */ - if (!PageHighMem(page)) { - int ret; - - ret = HYPERVISOR_update_va_mapping( - (unsigned long)__va(pfn << PAGE_SHIFT), - mfn_pte(frames[i], PAGE_KERNEL), - 0); - BUG_ON(ret); - } + ret = HYPERVISOR_update_va_mapping( + (unsigned long)__va(pfn << PAGE_SHIFT), + mfn_pte(frames[i], PAGE_KERNEL), 0); + BUG_ON(ret); } } EXPORT_SYMBOL_GPL(__xenmem_reservation_va_mapping_update); @@ -68,6 +63,7 @@ void __xenmem_reservation_va_mapping_reset(unsigned long count, for (i = 0; i < count; i++) { struct page *page = pages[i]; unsigned long pfn = page_to_pfn(page); + int ret; /* * We don't support PV MMU when Linux and Xen are using @@ -75,14 +71,11 @@ void __xenmem_reservation_va_mapping_reset(unsigned long count, */ BUILD_BUG_ON(XEN_PAGE_SIZE != PAGE_SIZE); - if (!PageHighMem(page)) { - int ret; + ret = HYPERVISOR_update_va_mapping( + (unsigned long)__va(pfn << PAGE_SHIFT), + __pte_ma(0), 0); + BUG_ON(ret); - ret = HYPERVISOR_update_va_mapping( - (unsigned long)__va(pfn << PAGE_SHIFT), - __pte_ma(0), 0); - BUG_ON(ret); - } __set_phys_to_machine(pfn, INVALID_P2M_ENTRY); } } |