diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c
index 8d52b23..15ece3a 100644
--- a/arch/powerpc/kernel/prom.c
+++ b/arch/powerpc/kernel/prom.c
@@ -954,9 +954,6 @@
 		size = *(reserve_map++);
 		if (size == 0)
 			break;
-		/* skip if the reservation is for the blob */
-		if (base == self_base && size == self_size)
-			continue;
 		DBG("reserving: %llx -> %llx\n", base, size);
 		lmb_reserve(base, size);
 	}
diff --git a/arch/powerpc/mm/lmb.c b/arch/powerpc/mm/lmb.c
index 716a290..e3a1e8d 100644
--- a/arch/powerpc/mm/lmb.c
+++ b/arch/powerpc/mm/lmb.c
@@ -146,6 +146,10 @@
 		unsigned long rgnbase = rgn->region[i].base;
 		unsigned long rgnsize = rgn->region[i].size;
 
+		if ((rgnbase == base) && (rgnsize == size))
+			/* Already have this region, so we're done */
+			return 0;
+
 		adjacent = lmb_addrs_adjacent(base,size,rgnbase,rgnsize);
 		if ( adjacent > 0 ) {
 			rgn->region[i].base -= size;