In ./xen/arch/arm/p2m.c, we compare the gfn's with INVALID_GFN
throughout the code. Thus it makes sense to use the macro INVALID_GFN
instead of a hard coded value to initialize "p2m->lowest_mapped_gfn".

Signed-off-by: Sergej Proskurin <prosku...@sec.in.tum.de>
---
Cc: Stefano Stabellini <sstabell...@kernel.org>
Cc: Julien Grall <julien.gr...@arm.com>
---
 xen/arch/arm/p2m.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/xen/arch/arm/p2m.c b/xen/arch/arm/p2m.c
index 4334e3bc81..5e86368010 100644
--- a/xen/arch/arm/p2m.c
+++ b/xen/arch/arm/p2m.c
@@ -1238,7 +1238,7 @@ int p2m_init(struct domain *d)
 
     p2m->domain = d;
     p2m->max_mapped_gfn = _gfn(0);
-    p2m->lowest_mapped_gfn = _gfn(ULONG_MAX);
+    p2m->lowest_mapped_gfn = INVALID_GFN;
 
     p2m->default_access = p2m_access_rwx;
     p2m->mem_access_enabled = false;
-- 
2.13.3


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