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-rw-r--r--mm/slab.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/mm/slab.c b/mm/slab.c
index c32af7e7581..b1d643b5238 100644
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -700,6 +700,14 @@ static enum {
FULL
} g_cpucache_up;
+/*
+ * used by boot code to determine if it can use slab based allocator
+ */
+int slab_is_available(void)
+{
+ return g_cpucache_up == FULL;
+}
+
static DEFINE_PER_CPU(struct work_struct, reap_work);
static void free_block(struct kmem_cache *cachep, void **objpp, int len,