summaryrefslogtreecommitdiffstats
path: root/mm/slab.c
diff options
context:
space:
mode:
Diffstat (limited to 'mm/slab.c')
-rw-r--r--mm/slab.c21
1 files changed, 13 insertions, 8 deletions
diff --git a/mm/slab.c b/mm/slab.c
index e26bff5ed1a6..c7ea5234c4e9 100644
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -553,9 +553,7 @@ static struct arraycache_init initarray_generic =
{ {0, BOOT_CPUCACHE_ENTRIES, 1, 0} };
/* internal cache of cache description objs */
-static struct kmem_list3 *kmem_cache_nodelists[MAX_NUMNODES];
static struct kmem_cache kmem_cache_boot = {
- .nodelists = kmem_cache_nodelists,
.batchcount = 1,
.limit = BOOT_CPUCACHE_ENTRIES,
.shared = 1,
@@ -1560,6 +1558,15 @@ static void __init set_up_list3s(struct kmem_cache *cachep, int index)
}
/*
+ * The memory after the last cpu cache pointer is used for the
+ * the nodelists pointer.
+ */
+static void setup_nodelists_pointer(struct kmem_cache *cachep)
+{
+ cachep->nodelists = (struct kmem_list3 **)&cachep->array[nr_cpu_ids];
+}
+
+/*
* Initialisation. Called after the page allocator have been initialised and
* before smp_init().
*/
@@ -1573,15 +1580,14 @@ void __init kmem_cache_init(void)
int node;
kmem_cache = &kmem_cache_boot;
+ setup_nodelists_pointer(kmem_cache);
if (num_possible_nodes() == 1)
use_alien_caches = 0;
- for (i = 0; i < NUM_INIT_LISTS; i++) {
+ for (i = 0; i < NUM_INIT_LISTS; i++)
kmem_list3_init(&initkmem_list3[i]);
- if (i < MAX_NUMNODES)
- kmem_cache->nodelists[i] = NULL;
- }
+
set_up_list3s(kmem_cache, CACHE_CACHE);
/*
@@ -1619,7 +1625,6 @@ void __init kmem_cache_init(void)
list_add(&kmem_cache->list, &slab_caches);
kmem_cache->colour_off = cache_line_size();
kmem_cache->array[smp_processor_id()] = &initarray_cache.cache;
- kmem_cache->nodelists[node] = &initkmem_list3[CACHE_CACHE + node];
/*
* struct kmem_cache size depends on nr_node_ids & nr_cpu_ids
@@ -2422,7 +2427,7 @@ __kmem_cache_create (struct kmem_cache *cachep, unsigned long flags)
else
gfp = GFP_NOWAIT;
- cachep->nodelists = (struct kmem_list3 **)&cachep->array[nr_cpu_ids];
+ setup_nodelists_pointer(cachep);
#if DEBUG
/*