powerpc/32s: drop Hash_end

Hash_end has never been used, drop it.
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

arch/powerpc/mm/book3s32/mmu.c

@@ -36,7 +36,7 @@
 
 #include <mm/mmu_decl.h>
 
-struct hash_pte *Hash, *Hash_end;
+struct hash_pte *Hash;
 unsigned long Hash_size, Hash_mask;
 unsigned long _SDR1;
 static unsigned int hash_mb, hash_mb2;
@@ -345,8 +345,6 @@ void __init MMU_init_hw(void)
 		      __func__, Hash_size, Hash_size);
 	_SDR1 = __pa(Hash) | SDR1_LOW_BITS;
 
-	Hash_end = (struct hash_pte *) ((unsigned long)Hash + Hash_size);
-
 	printk("Total memory = %lldMB; using %ldkB for hash table (at %p)\n",
 	       (unsigned long long)(total_memory >> 20), Hash_size >> 10, Hash);
 

arch/powerpc/mm/mmu_decl.h

@@ -104,7 +104,7 @@ extern int __map_without_bats;
 extern unsigned int rtas_data, rtas_size;
 
 struct hash_pte;
-extern struct hash_pte *Hash, *Hash_end;
+extern struct hash_pte *Hash;
 extern unsigned long Hash_size, Hash_mask;
 extern u8 early_hash[];