slab.c (b28a02de8c70d41d6b6ba8911e83ed3ccf2e13f8) slab.c (cd105df4590c89837a1c300843238148cfef9b5f)
1/*
2 * linux/mm/slab.c
3 * Written by Mark Hemment, 1996/97.
4 * (markhe@nextd.demon.co.uk)
5 *
6 * kmem_cache_destroy() + some cleanup - 1999 Andrea Arcangeli
7 *
8 * Major cleanup, different bufctl logic, per-cpu arrays

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849static int __devinit cpuup_callback(struct notifier_block *nfb,
850 unsigned long action, void *hcpu)
851{
852 long cpu = (long)hcpu;
853 kmem_cache_t *cachep;
854 struct kmem_list3 *l3 = NULL;
855 int node = cpu_to_node(cpu);
856 int memsize = sizeof(struct kmem_list3);
1/*
2 * linux/mm/slab.c
3 * Written by Mark Hemment, 1996/97.
4 * (markhe@nextd.demon.co.uk)
5 *
6 * kmem_cache_destroy() + some cleanup - 1999 Andrea Arcangeli
7 *
8 * Major cleanup, different bufctl logic, per-cpu arrays

--- 840 unchanged lines hidden (view full) ---

849static int __devinit cpuup_callback(struct notifier_block *nfb,
850 unsigned long action, void *hcpu)
851{
852 long cpu = (long)hcpu;
853 kmem_cache_t *cachep;
854 struct kmem_list3 *l3 = NULL;
855 int node = cpu_to_node(cpu);
856 int memsize = sizeof(struct kmem_list3);
857 struct array_cache *nc = NULL;
858
859 switch (action) {
860 case CPU_UP_PREPARE:
861 down(&cache_chain_sem);
862 /* we need to do this right in the beginning since
863 * alloc_arraycache's are going to use this list.
864 * kmalloc_node allows us to add the slab to the right
865 * kmem_list3 and not this cpu's kmem_list3

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886 (1 + nr_cpus_node(node)) *
887 cachep->batchcount + cachep->num;
888 spin_unlock_irq(&cachep->nodelists[node]->list_lock);
889 }
890
891 /* Now we can go ahead with allocating the shared array's
892 & array cache's */
893 list_for_each_entry(cachep, &cache_chain, next) {
857
858 switch (action) {
859 case CPU_UP_PREPARE:
860 down(&cache_chain_sem);
861 /* we need to do this right in the beginning since
862 * alloc_arraycache's are going to use this list.
863 * kmalloc_node allows us to add the slab to the right
864 * kmem_list3 and not this cpu's kmem_list3

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885 (1 + nr_cpus_node(node)) *
886 cachep->batchcount + cachep->num;
887 spin_unlock_irq(&cachep->nodelists[node]->list_lock);
888 }
889
890 /* Now we can go ahead with allocating the shared array's
891 & array cache's */
892 list_for_each_entry(cachep, &cache_chain, next) {
893 struct array_cache *nc;
894
894 nc = alloc_arraycache(node, cachep->limit,
895 cachep->batchcount);
896 if (!nc)
897 goto bad;
898 cachep->array[cpu] = nc;
899
900 l3 = cachep->nodelists[node];
901 BUG_ON(!l3);

--- 2782 unchanged lines hidden --- 		895 nc = alloc_arraycache(node, cachep->limit,
896 cachep->batchcount);
897 if (!nc)
898 goto bad;
899 cachep->array[cpu] = nc;
900
901 l3 = cachep->nodelists[node];
902 BUG_ON(!l3);

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