[SPARC64]: Add a secondary TSB for hugepage mappings.

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

1 files changed, 20 insertions, 1 deletions

diff --git a/arch/sparc64/kernel/traps.c b/arch/sparc64/kernel/traps.c
index 7f7dba0ca96a..df612e4f75f9 100644
--- a/arch/sparc64/kernel/traps.c
+++ b/arch/sparc64/kernel/traps.c
@@ -2482,6 +2482,7 @@ void init_cur_cpu_trap(struct thread_info *t)
 
 extern void thread_info_offsets_are_bolixed_dave(void);
 extern void trap_per_cpu_offsets_are_bolixed_dave(void);
+extern void tsb_config_offsets_are_bolixed_dave(void);
 
 /* Only invoked on boot processor. */
 void __init trap_init(void)
@@ -2535,9 +2536,27 @@ void __init trap_init(void)
             (TRAP_PER_CPU_CPU_MONDO_BLOCK_PA !=
              offsetof(struct trap_per_cpu, cpu_mondo_block_pa)) ||
             (TRAP_PER_CPU_CPU_LIST_PA !=
-             offsetof(struct trap_per_cpu, cpu_list_pa)))
+             offsetof(struct trap_per_cpu, cpu_list_pa)) ||
+            (TRAP_PER_CPU_TSB_HUGE !=
+             offsetof(struct trap_per_cpu, tsb_huge)) ||
+            (TRAP_PER_CPU_TSB_HUGE_TEMP !=
+             offsetof(struct trap_per_cpu, tsb_huge_temp)))
                 trap_per_cpu_offsets_are_bolixed_dave();
 
+        if ((TSB_CONFIG_TSB !=
+             offsetof(struct tsb_config, tsb)) ||
+            (TSB_CONFIG_RSS_LIMIT !=
+             offsetof(struct tsb_config, tsb_rss_limit)) ||
+            (TSB_CONFIG_NENTRIES !=
+             offsetof(struct tsb_config, tsb_nentries)) ||
+            (TSB_CONFIG_REG_VAL !=
+             offsetof(struct tsb_config, tsb_reg_val)) ||
+            (TSB_CONFIG_MAP_VADDR !=
+             offsetof(struct tsb_config, tsb_map_vaddr)) ||
+            (TSB_CONFIG_MAP_PTE !=
+             offsetof(struct tsb_config, tsb_map_pte)))
+                tsb_config_offsets_are_bolixed_dave();
+
         /* Attach to the address space of init_task.  On SMP we
          * do this in smp.c:smp_callin for other cpus.
          */