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Diffstat (limited to 'mm')
-rw-r--r--mm/slab.c12
1 files changed, 10 insertions, 2 deletions
diff --git a/mm/slab.c b/mm/slab.c
index e3260db04b9e..664c3a10acf2 100644
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -331,6 +331,8 @@ static __always_inline int index_of(const size_t size)
return 0;
}
+static int slab_early_init = 1;
+
#define INDEX_AC index_of(sizeof(struct arraycache_init))
#define INDEX_L3 index_of(sizeof(struct kmem_list3))
@@ -1376,6 +1378,8 @@ void __init kmem_cache_init(void)
NULL, NULL);
}
+ slab_early_init = 0;
+
while (sizes->cs_size != ULONG_MAX) {
/*
* For performance, all the general caches are L1 aligned.
@@ -2106,8 +2110,12 @@ kmem_cache_create (const char *name, size_t size, size_t align,
#endif
#endif
- /* Determine if the slab management is 'on' or 'off' slab. */
- if (size >= (PAGE_SIZE >> 3))
+ /*
+ * Determine if the slab management is 'on' or 'off' slab.
+ * (bootstrapping cannot cope with offslab caches so don't do
+ * it too early on.)
+ */
+ if ((size >= (PAGE_SIZE >> 3)) && !slab_early_init)
/*
* Size is large, assume best to place the slab management obj
* off-slab (should allow better packing of objs).