summaryrefslogtreecommitdiff
path: root/arch/x86/xen/setup.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/x86/xen/setup.c')
-rw-r--r--arch/x86/xen/setup.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/arch/x86/xen/setup.c b/arch/x86/xen/setup.c
index 90bac0aac3a5..ca6297bd4e3c 100644
--- a/arch/x86/xen/setup.c
+++ b/arch/x86/xen/setup.c
@@ -166,7 +166,7 @@ static unsigned long __init xen_set_identity(const struct e820entry *list,
if (last > end)
continue;
- if (entry->type == E820_RAM) {
+ if ((entry->type == E820_RAM) || (entry->type == E820_UNUSABLE)) {
if (start > start_pci)
identity += set_phys_range_identity(
PFN_UP(start_pci), PFN_DOWN(start));
@@ -227,7 +227,11 @@ char * __init xen_memory_setup(void)
memcpy(map_raw, map, sizeof(map));
e820.nr_map = 0;
+#ifdef CONFIG_X86_32
+ xen_extra_mem_start = mem_end;
+#else
xen_extra_mem_start = max((1ULL << 32), mem_end);
+#endif
for (i = 0; i < memmap.nr_entries; i++) {
unsigned long long end;