Messages in this thread Patch in this message | | | From | Vlastimil Babka <> | Subject | [PATCH 05/20] cpu/hotplug: remove CPUHP_SLAB_PREPARE hooks | Date | Mon, 13 Nov 2023 20:13:46 +0100 |
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The CPUHP_SLAB_PREPARE hooks are only used by SLAB which is removed. SLUB defines them as NULL, so we can remove those altogether.
Signed-off-by: Vlastimil Babka <vbabka@suse.cz> --- include/linux/slab.h | 8 -------- kernel/cpu.c | 5 ----- 2 files changed, 13 deletions(-)
diff --git a/include/linux/slab.h b/include/linux/slab.h index d6d6ffeeb9a2..34e43cddc520 100644 --- a/include/linux/slab.h +++ b/include/linux/slab.h @@ -788,12 +788,4 @@ size_t kmalloc_size_roundup(size_t size); void __init kmem_cache_init_late(void); -#if defined(CONFIG_SMP) && defined(CONFIG_SLAB) -int slab_prepare_cpu(unsigned int cpu); -int slab_dead_cpu(unsigned int cpu); -#else -#define slab_prepare_cpu NULL -#define slab_dead_cpu NULL -#endif - #endif /* _LINUX_SLAB_H */ diff --git a/kernel/cpu.c b/kernel/cpu.c index 9e4c6780adde..530b026d95a1 100644 --- a/kernel/cpu.c +++ b/kernel/cpu.c @@ -2125,11 +2125,6 @@ static struct cpuhp_step cpuhp_hp_states[] = { .startup.single = relay_prepare_cpu, .teardown.single = NULL, }, - [CPUHP_SLAB_PREPARE] = { - .name = "slab:prepare", - .startup.single = slab_prepare_cpu, - .teardown.single = slab_dead_cpu, - }, [CPUHP_RCUTREE_PREP] = { .name = "RCU/tree:prepare", .startup.single = rcutree_prepare_cpu, -- 2.42.1
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