[merged mm-stable] sh-drop-dead-code-guarded-by-ifdef-config_numa.patch removed from -mm tree

[merged mm-stable] sh-drop-dead-code-guarded-by-ifdef-config_numa.patch removed from -mm tree

[Andrew Morton]

The quilt patch titled
     Subject: sh: drop dead code guarded by #ifdef CONFIG_NUMA
has been removed from the -mm tree.  Its filename was
     sh-drop-dead-code-guarded-by-ifdef-config_numa.patch

This patch was dropped because it was merged into the mm-stable branch
of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

------------------------------------------------------
From: "Mike Rapoport (Microsoft)" <rppt@kernel.org>
Subject: sh: drop dead code guarded by #ifdef CONFIG_NUMA
Date: Sun, 10 May 2026 16:55:41 +0300

and NUMA-related comments.

Link: https://lore.kernel.org/20260510135546.13554-6-rppt@kernel.org
Signed-off-by: Mike Rapoport (Microsoft) <rppt@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Cc: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
Cc: Rich Felker <dalias@libc.org>
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
---

 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(-)

--- a/arch/sh/include/asm/topology.h~sh-drop-dead-code-guarded-by-ifdef-config_numa
+++ a/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);
--- a/arch/sh/kernel/setup.c~sh-drop-dead-code-guarded-by-ifdef-config_numa
+++ a/arch/sh/kernel/setup.c
@@ -227,7 +227,6 @@ void __init __add_active_range(unsigned
 	/*
 	 * 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);
--- a/arch/sh/kernel/topology.c~sh-drop-dead-code-guarded-by-ifdef-config_numa
+++ a/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);
--- a/arch/sh/kernel/vmcore_info.c~sh-drop-dead-code-guarded-by-ifdef-config_numa
+++ a/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
--- a/arch/sh/mm/sram.c~sh-drop-dead-code-guarded-by-ifdef-config_numa
+++ a/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;
 
_

Patches currently in -mm which might be from rppt@kernel.org are