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| author | Sebastian Andrzej Siewior <bigeasy@linutronix.de> | 2016-08-23 14:53:19 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2016-09-06 18:30:20 +0200 |
| commit | 6731d4f12315aed5f7eefc52dac30428e382d7d0 (patch) | |
| tree | 66abd6f0c2aa4191a11e076b7090f29e257cc7b3 /include | |
| parent | e6d4989a9ad1ccc343f29578a461612ed80fc6c5 (diff) | |
| download | linux-stable-6731d4f12315aed5f7eefc52dac30428e382d7d0.tar.gz linux-stable-6731d4f12315aed5f7eefc52dac30428e382d7d0.tar.bz2 linux-stable-6731d4f12315aed5f7eefc52dac30428e382d7d0.zip | |
slab: Convert to hotplug state machine
Install the callbacks via the state machine.
Signed-off-by: Richard Weinberger <richard@nod.at>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Reviewed-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: linux-mm@kvack.org
Cc: rt@linutronix.de
Cc: David Rientjes <rientjes@google.com>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Christoph Lameter <cl@linux.com>
Link: http://lkml.kernel.org/r/20160823125319.abeapfjapf2kfezp@linutronix.de
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/cpuhotplug.h | 1 | ||||
| -rw-r--r-- | include/linux/slab.h | 8 |
2 files changed, 9 insertions, 0 deletions
diff --git a/include/linux/cpuhotplug.h b/include/linux/cpuhotplug.h index 4c79f40fcebc..c2cf14953abc 100644 --- a/include/linux/cpuhotplug.h +++ b/include/linux/cpuhotplug.h @@ -22,6 +22,7 @@ enum cpuhp_state { CPUHP_X2APIC_PREPARE, CPUHP_SMPCFD_PREPARE, CPUHP_RELAY_PREPARE, + CPUHP_SLAB_PREPARE, CPUHP_RCUTREE_PREP, CPUHP_NOTIFY_PREPARE, CPUHP_TIMERS_DEAD, diff --git a/include/linux/slab.h b/include/linux/slab.h index 4293808d8cfb..084b12bad198 100644 --- a/include/linux/slab.h +++ b/include/linux/slab.h @@ -650,4 +650,12 @@ static inline void *kzalloc_node(size_t size, gfp_t flags, int node) unsigned int kmem_cache_size(struct kmem_cache *s); 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 */ |