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sh: drop dead code guarded by #ifdef CONFIG_NUMA

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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>
This commit is contained in:
Mike Rapoport (Microsoft) 2026-05-10 16:55:41 +03:00 committed by Andrew Morton
parent f979745fc6
commit acce12b992
5 changed files with 1 additions and 32 deletions
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13
arch/sh/include/asm/topology.h
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@ -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);

1
arch/sh/kernel/setup.c
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@ -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);

12
arch/sh/kernel/topology.c
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@ -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);

4
arch/sh/kernel/vmcore_info.c
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@ -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

3
arch/sh/mm/sram.c
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@ -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;