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-rw-r--r--arch/x86/xen/setup.c20
1 files changed, 10 insertions, 10 deletions
diff --git a/arch/x86/xen/setup.c b/arch/x86/xen/setup.c
index c983717c018c..0c8e974c738a 100644
--- a/arch/x86/xen/setup.c
+++ b/arch/x86/xen/setup.c
@@ -37,7 +37,7 @@ extern void xen_syscall_target(void);
extern void xen_syscall32_target(void);
/* Amount of extra memory space we add to the e820 ranges */
-phys_addr_t xen_extra_mem_start, xen_extra_mem_size;
+struct xen_memory_region xen_extra_mem[XEN_EXTRA_MEM_MAX_REGIONS] __initdata;
/* Number of pages released from the initial allocation. */
unsigned long xen_released_pages;
@@ -59,7 +59,7 @@ static void __init xen_add_extra_mem(unsigned long pages)
unsigned long pfn;
u64 size = (u64)pages * PAGE_SIZE;
- u64 extra_start = xen_extra_mem_start + xen_extra_mem_size;
+ u64 extra_start = xen_extra_mem[0].start + xen_extra_mem[0].size;
if (!pages)
return;
@@ -69,7 +69,7 @@ static void __init xen_add_extra_mem(unsigned long pages)
memblock_x86_reserve_range(extra_start, extra_start + size, "XEN EXTRA");
- xen_extra_mem_size += size;
+ xen_extra_mem[0].size += size;
xen_max_p2m_pfn = PFN_DOWN(extra_start + size);
@@ -242,7 +242,7 @@ char * __init xen_memory_setup(void)
memcpy(map_raw, map, sizeof(map));
e820.nr_map = 0;
- xen_extra_mem_start = mem_end;
+ xen_extra_mem[0].start = mem_end;
for (i = 0; i < memmap.nr_entries; i++) {
unsigned long long end;
@@ -270,8 +270,8 @@ char * __init xen_memory_setup(void)
e820_add_region(end, delta, E820_UNUSABLE);
}
- if (map[i].size > 0 && end > xen_extra_mem_start)
- xen_extra_mem_start = end;
+ if (map[i].size > 0 && end > xen_extra_mem[0].start)
+ xen_extra_mem[0].start = end;
/* Add region if any remains */
if (map[i].size > 0)
@@ -279,10 +279,10 @@ char * __init xen_memory_setup(void)
}
/* Align the balloon area so that max_low_pfn does not get set
* to be at the _end_ of the PCI gap at the far end (fee01000).
- * Note that xen_extra_mem_start gets set in the loop above to be
- * past the last E820 region. */
- if (xen_initial_domain() && (xen_extra_mem_start < (1ULL<<32)))
- xen_extra_mem_start = (1ULL<<32);
+ * Note that the start of balloon area gets set in the loop above
+ * to be past the last E820 region. */
+ if (xen_initial_domain() && (xen_extra_mem[0].start < (1ULL<<32)))
+ xen_extra_mem[0].start = (1ULL<<32);
/*
* In domU, the ISA region is normal, usable memory, but we