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| author | Emmanuel Grumbach <emmanuel.grumbach@intel.com> | 2015-10-25 12:38:20 +0200 |
|---|---|---|
| committer | Emmanuel Grumbach <emmanuel.grumbach@intel.com> | 2015-10-25 12:38:20 +0200 |
| commit | 10d15322ed26652263a579bcb59dfd49ab8a30de (patch) | |
| tree | b1497de1b8ffd34b991cdf6e21de1c7a0a65f1de /mm/slab.c | |
| parent | 0316d30ea3e66379cd30ed70a114bc282159bb4c (diff) | |
| parent | e5a9f8d04660da7ef3a98260aa74c3976f9cb4cd (diff) | |
Merge remote-tracking branch 'mac80211-next/master' into next
Diffstat (limited to 'mm/slab.c')
| -rw-r--r-- | mm/slab.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/mm/slab.c b/mm/slab.c index c77ebe6cc87c..4fcc5dd8d5a6 100644 --- a/mm/slab.c +++ b/mm/slab.c @@ -2190,9 +2190,16 @@ __kmem_cache_create (struct kmem_cache *cachep, unsigned long flags) size += BYTES_PER_WORD; } #if FORCED_DEBUG && defined(CONFIG_DEBUG_PAGEALLOC) - if (size >= kmalloc_size(INDEX_NODE + 1) - && cachep->object_size > cache_line_size() - && ALIGN(size, cachep->align) < PAGE_SIZE) { + /* + * To activate debug pagealloc, off-slab management is necessary + * requirement. In early phase of initialization, small sized slab + * doesn't get initialized so it would not be possible. So, we need + * to check size >= 256. It guarantees that all necessary small + * sized slab is initialized in current slab initialization sequence. + */ + if (!slab_early_init && size >= kmalloc_size(INDEX_NODE) && + size >= 256 && cachep->object_size > cache_line_size() && + ALIGN(size, cachep->align) < PAGE_SIZE) { cachep->obj_offset += PAGE_SIZE - ALIGN(size, cachep->align); size = PAGE_SIZE; } |