[SPARC64]: Kill swapper_pgd_zero, totally unused.

Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/arch/sparc64/mm/init.c b/arch/sparc64/mm/init.c
index 20e7af552ce4fec38bf31e902881c2957fe1689a..2c21d85de78f017af972a952349cd04b0e535ea2 100644 (file)
--- a/arch/sparc64/mm/init.c
+++ b/arch/sparc64/mm/init.c
@@ -388,7 +388,6 @@ struct linux_prom_translation {
 /* Exported for kernel TLB miss handling in ktlb.S */
 struct linux_prom_translation prom_trans[512] __read_mostly;
 unsigned int prom_trans_ents __read_mostly;
-unsigned int swapper_pgd_zero __read_mostly;
 
 extern unsigned long prom_boot_page;
 extern void prom_remap(unsigned long physpage, unsigned long virtpage, int mmu_ihandle);
@@ -1088,8 +1087,6 @@ void __init paging_init(void)
        pud_set(pud_offset(&swapper_pg_dir[0], 0),
                swapper_low_pmd_dir + (shift / sizeof(pgd_t)));
        
-       swapper_pgd_zero = pgd_val(swapper_pg_dir[0]);
-       
        inherit_prom_mappings();
        
        /* Ok, we can use our TLB miss and window trap handlers safely.  */