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-rw-r--r--arch/x86/xen/setup.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/arch/x86/xen/setup.c b/arch/x86/xen/setup.c
index 63320b6d35bc..7ab29518a3b9 100644
--- a/arch/x86/xen/setup.c
+++ b/arch/x86/xen/setup.c
@@ -212,7 +212,7 @@ static unsigned long __init xen_find_pfn_range(unsigned long *min_pfn)
e_pfn = PFN_DOWN(entry->addr + entry->size);
/* We only care about E820 after this */
- if (e_pfn < *min_pfn)
+ if (e_pfn <= *min_pfn)
continue;
s_pfn = PFN_UP(entry->addr);
@@ -829,6 +829,8 @@ char * __init xen_memory_setup(void)
addr = xen_e820_map[0].addr;
size = xen_e820_map[0].size;
while (i < xen_e820_map_entries) {
+ bool discard = false;
+
chunk_size = size;
type = xen_e820_map[i].type;
@@ -843,10 +845,11 @@ char * __init xen_memory_setup(void)
xen_add_extra_mem(pfn_s, n_pfns);
xen_max_p2m_pfn = pfn_s + n_pfns;
} else
- type = E820_UNUSABLE;
+ discard = true;
}
- xen_align_and_add_e820_region(addr, chunk_size, type);
+ if (!discard)
+ xen_align_and_add_e820_region(addr, chunk_size, type);
addr += chunk_size;
size -= chunk_size;
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