1 files changed, 15 insertions, 6 deletions

diff --git a/include/linux/slab.h b/include/linux/slab.h
index 71829efc40ba..a015236cc572 100644
--- a/include/linux/slab.h
+++ b/include/linux/slab.h
@@ -32,9 +32,6 @@ typedef struct kmem_cache kmem_cache_t __deprecated;
 #define SLAB_MEM_SPREAD         0x00100000UL    /* Spread some memory over cpuset */
 #define SLAB_TRACE              0x00200000UL    /* Trace allocations and frees */
 
-/* Flags passed to a constructor functions */
-#define SLAB_CTOR_CONSTRUCTOR   0x001UL         /* If not set, then deconstructor */
-
 /*
  * struct kmem_cache related prototypes
  */
@@ -77,6 +74,21 @@ static inline void *kmem_cache_alloc_node(struct kmem_cache *cachep,
 #endif
 
 /*
+ * The largest kmalloc size supported by the slab allocators is
+ * 32 megabyte (2^25) or the maximum allocatable page order if that is
+ * less than 32 MB.
+ *
+ * WARNING: Its not easy to increase this value since the allocators have
+ * to do various tricks to work around compiler limitations in order to
+ * ensure proper constant folding.
+ */
+#define KMALLOC_SHIFT_HIGH      ((MAX_ORDER + PAGE_SHIFT) <= 25 ? \
+                                (MAX_ORDER + PAGE_SHIFT) : 25)
+
+#define KMALLOC_MAX_SIZE        (1UL << KMALLOC_SHIFT_HIGH)
+#define KMALLOC_MAX_ORDER       (KMALLOC_SHIFT_HIGH - PAGE_SHIFT)
+
+/*
  * Common kmalloc functions provided by all allocators
  */
 void *__kmalloc(size_t, gfp_t);
@@ -233,9 +245,6 @@ extern void *__kmalloc_node_track_caller(size_t, gfp_t, int, void *);
 
 #endif /* DEBUG_SLAB */
 
-extern const struct seq_operations slabinfo_op;
-ssize_t slabinfo_write(struct file *, const char __user *, size_t, loff_t *);
-
 #endif  /* __KERNEL__ */
 #endif  /* _LINUX_SLAB_H */