Name: Remove ____cacheline_aligned from tlb_state
Status: Untested
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>

Generally, per-cpu variables will cosy up nicely to their CPU-affine
neighbours: forcing cacheline alignment is unneccesary bloat.

If the variable is often referenced from other CPUs, it should not use
the per-cpu stuff, which on enlightened archs will be NUMA-aware.

Index: linux-2.6.10-rc2-bk13-Percpu/arch/i386/kernel/smp.c
===================================================================
--- linux-2.6.10-rc2-bk13-Percpu.orig/arch/i386/kernel/smp.c	2004-11-30 12:45:10.000000000 +1100
+++ linux-2.6.10-rc2-bk13-Percpu/arch/i386/kernel/smp.c	2004-12-02 13:16:06.732143384 +1100
@@ -103,7 +103,7 @@
  *	about nothing of note with C stepping upwards.
  */
 
-DEFINE_PER_CPU(struct tlb_state, cpu_tlbstate) ____cacheline_aligned = { &init_mm, 0, };
+DEFINE_PER_CPU(struct tlb_state, cpu_tlbstate) = { &init_mm, 0, };
 
 /*
  * the following functions deal with sending IPIs between CPUs.
Index: linux-2.6.10-rc2-bk13-Percpu/arch/i386/mach-voyager/voyager_smp.c
===================================================================
--- linux-2.6.10-rc2-bk13-Percpu.orig/arch/i386/mach-voyager/voyager_smp.c	2004-11-30 12:45:10.000000000 +1100
+++ linux-2.6.10-rc2-bk13-Percpu/arch/i386/mach-voyager/voyager_smp.c	2004-12-02 13:15:37.494588168 +1100
@@ -35,7 +35,7 @@
 int reboot_smp = 0;
 
 /* TLB state -- visible externally, indexed physically */
-DEFINE_PER_CPU(struct tlb_state, cpu_tlbstate) ____cacheline_aligned = { &init_mm, 0 };
+DEFINE_PER_CPU(struct tlb_state, cpu_tlbstate) = { &init_mm, 0 };
 
 /* CPU IRQ affinity -- set to all ones initially */
 static unsigned long cpu_irq_affinity[NR_CPUS] __cacheline_aligned = { [0 ... NR_CPUS-1]  = ~0UL };