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-rw-r--r--xen/arch/x86/setup.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/xen/arch/x86/setup.c b/xen/arch/x86/setup.c
index bdf3866e01..94504c5561 100644
--- a/xen/arch/x86/setup.c
+++ b/xen/arch/x86/setup.c
@@ -1100,6 +1100,14 @@ void arch_get_xen_caps(xen_capabilities_info_t *info)
#endif
}
+int xen_in_range(unsigned long start, unsigned long end)
+{
+ start = max_t(unsigned long, start, xenheap_phys_start);
+ end = min_t(unsigned long, end, xenheap_phys_end);
+
+ return start < end;
+}
+
/*
* Local variables:
* mode: C