[SPARC64]: Kill cpudata->idle_volume.

Set, but never used.

We used to use this for dynamic IRQ retargetting, but that
code died a long time ago.

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

3 files changed, 3 insertions, 11 deletions

diff --git a/arch/sparc64/kernel/process.c b/arch/sparc64/kernel/process.c
index d00cb7ad89b9..1ab8283efc4c 100644
--- a/arch/sparc64/kernel/process.c
+++ b/arch/sparc64/kernel/process.c
@@ -56,6 +56,8 @@ void default_idle(void)
 {
 }
 
+
+
 #ifndef CONFIG_SMP
 
 /*
@@ -104,19 +106,11 @@ void cpu_idle(void)
 
         while(1) {
                 if (need_resched()) {
-                        cpuinfo->idle_volume = 0;
                         preempt_enable_no_resched();
                         schedule();
                         preempt_disable();
                         check_pgt_cache();
                 }
-                cpuinfo->idle_volume++;
-
-                /* The store ordering is so that IRQ handlers on
-                 * other cpus see our increasing idleness for the buddy
-                 * redistribution algorithm.  -DaveM
-                 */
-                membar_storeload_storestore();
         }
 }
 
diff --git a/arch/sparc64/kernel/smp.c b/arch/sparc64/kernel/smp.c
index 356d423ae14d..0cd9b16612e7 100644
--- a/arch/sparc64/kernel/smp.c
+++ b/arch/sparc64/kernel/smp.c
@@ -88,8 +88,6 @@ void __init smp_store_cpu_info(int id)
         cpu_data(id).clock_tick = prom_getintdefault(cpu_node,
                                                      "clock-frequency", 0);
 
-        cpu_data(id).idle_volume                = 1;
-
         def = ((tlb_type == hypervisor) ? (8 * 1024) : (16 * 1024));
         cpu_data(id).dcache_size = prom_getintdefault(cpu_node, "dcache-size",
                                                       def);
diff --git a/include/asm-sparc64/cpudata.h b/include/asm-sparc64/cpudata.h
index 84656f1895cd..c66a81bbc84d 100644
--- a/include/asm-sparc64/cpudata.h
+++ b/include/asm-sparc64/cpudata.h
@@ -19,7 +19,7 @@ typedef struct {
         unsigned int    __softirq_pending; /* must be 1st, see rtrap.S */
         unsigned int    multiplier;
         unsigned int    counter;
-        unsigned int    idle_volume;
+        unsigned int    __pad1;
         unsigned long   clock_tick;     /* %tick's per second */
         unsigned long   udelay_val;