[PATCH v3 05/10] sh: drop dead code guarded by #ifdef CONFIG_NUMA

and NUMA-related comments.

Reviewed-by: Arnd Bergmann <[email protected]>
Signed-off-by: Mike Rapoport (Microsoft) <[email protected]>
---
 arch/sh/include/asm/topology.h | 13 -------------
 arch/sh/kernel/setup.c         |  1 -
 arch/sh/kernel/topology.c      | 12 ------------
 arch/sh/kernel/vmcore_info.c   |  4 ----
 arch/sh/mm/sram.c              |  3 +--
 5 files changed, 1 insertion(+), 32 deletions(-)

diff --git a/arch/sh/include/asm/topology.h b/arch/sh/include/asm/topology.h
index 1db470e02456..a3c31754ba5f 100644
--- a/arch/sh/include/asm/topology.h
+++ b/arch/sh/include/asm/topology.h
@@ -2,19 +2,6 @@
 #ifndef _ASM_SH_TOPOLOGY_H
 #define _ASM_SH_TOPOLOGY_H
 
-#ifdef CONFIG_NUMA
-
-#define cpu_to_node(cpu)	((void)(cpu),0)
-
-#define cpumask_of_node(node)	((void)node, cpu_online_mask)
-
-#define pcibus_to_node(bus)	((void)(bus), -1)
-#define cpumask_of_pcibus(bus)	(pcibus_to_node(bus) == -1 ? \
-					cpu_all_mask : \
-					cpumask_of_node(pcibus_to_node(bus)))
-
-#endif
-
 #define mc_capable()    (1)
 
 const struct cpumask *cpu_coregroup_mask(int cpu);
diff --git a/arch/sh/kernel/setup.c b/arch/sh/kernel/setup.c
index 039a51291002..5e25c1db4d61 100644
--- a/arch/sh/kernel/setup.c
+++ b/arch/sh/kernel/setup.c
@@ -227,7 +227,6 @@ void __init __add_active_range(unsigned int nid, unsigned long start_pfn,
 	/*
 	 * Also make sure that there is a PMB mapping that covers this
 	 * range before we attempt to activate it, to avoid reset by MMU.
-	 * We can hit this path with NUMA or memory hot-add.
 	 */
 	pmb_bolt_mapping((unsigned long)__va(start), start, end - start,
 			 PAGE_KERNEL);
diff --git a/arch/sh/kernel/topology.c b/arch/sh/kernel/topology.c
index 2d2a7509b565..906b7b1d5443 100644
--- a/arch/sh/kernel/topology.c
+++ b/arch/sh/kernel/topology.c
@@ -57,18 +57,6 @@ static int __init topology_init(void)
 			       __func__, i, ret);
 	}
 
-#if defined(CONFIG_NUMA) && !defined(CONFIG_SMP)
-	/*
-	 * In the UP case, make sure the CPU association is still
-	 * registered under each node. Without this, sysfs fails
-	 * to make the connection between nodes other than node0
-	 * and cpu0.
-	 */
-	for_each_online_node(i)
-		if (i != numa_node_id())
-			register_cpu_under_node(raw_smp_processor_id(), i);
-#endif
-
 	return 0;
 }
 subsys_initcall(topology_init);
diff --git a/arch/sh/kernel/vmcore_info.c b/arch/sh/kernel/vmcore_info.c
index a244a204a1b1..9f029b4a7e63 100644
--- a/arch/sh/kernel/vmcore_info.c
+++ b/arch/sh/kernel/vmcore_info.c
@@ -5,10 +5,6 @@
 
 void arch_crash_save_vmcoreinfo(void)
 {
-#ifdef CONFIG_NUMA
-	VMCOREINFO_SYMBOL(node_data);
-	VMCOREINFO_LENGTH(node_data, MAX_NUMNODES);
-#endif
 #ifdef CONFIG_X2TLB
 	VMCOREINFO_CONFIG(X2TLB);
 #endif
diff --git a/arch/sh/mm/sram.c b/arch/sh/mm/sram.c
index 2d8fa718d55e..208080f072df 100644
--- a/arch/sh/mm/sram.c
+++ b/arch/sh/mm/sram.c
@@ -16,8 +16,7 @@
  * This provides a standard SRAM pool for tiny memories that can be
  * added either by the CPU or the platform code. Typical SRAM sizes
  * to be inserted in to the pool will generally be less than the page
- * size, with anything more reasonably sized handled as a NUMA memory
- * node.
+ * size.
  */
 struct gen_pool *sram_pool;
 

-- 
2.53.0