[PATCH] slab: replace kmem_cache_t with struct kmem_cache

Replace uses of kmem_cache_t with proper struct kmem_cache in mm/slab.c.

Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 98 insertions, 97 deletions

diff --git a/mm/slab.c b/mm/slab.c
index b19093864998..6fbd6a1cdeb4 100644
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -55,7 +55,7 @@
  *
  * SMP synchronization:
  *  constructors and destructors are called without any locking.
- *  Several members in kmem_cache_t and struct slab never change, they
+ *  Several members in struct kmem_cache and struct slab never change, they
  *      are accessed without any locking.
  *  The per-cpu arrays are never accessed from the wrong cpu, no locking,
  *      and local interrupts are disabled so slab code is preempt-safe.
@@ -244,7 +244,7 @@ struct slab {
  */
 struct slab_rcu {
         struct rcu_head head;
-        kmem_cache_t *cachep;
+        struct kmem_cache *cachep;
         void *addr;
 };
 
@@ -363,7 +363,7 @@ static void kmem_list3_init(struct kmem_list3 *parent)
         } while (0)
 
 /*
- * kmem_cache_t
+ * struct kmem_cache
  *
  * manages a cache.
  */
@@ -391,15 +391,15 @@ struct kmem_cache {
         size_t colour;          /* cache colouring range */
         unsigned int colour_off;        /* colour offset */
         unsigned int colour_next;       /* cache colouring */
-        kmem_cache_t *slabp_cache;
+        struct kmem_cache *slabp_cache;
         unsigned int slab_size;
         unsigned int dflags;    /* dynamic flags */
 
         /* constructor func */
-        void (*ctor) (void *, kmem_cache_t *, unsigned long);
+        void (*ctor) (void *, struct kmem_cache *, unsigned long);
 
         /* de-constructor func */
-        void (*dtor) (void *, kmem_cache_t *, unsigned long);
+        void (*dtor) (void *, struct kmem_cache *, unsigned long);
 
 /* 4) cache creation/removal */
         const char *name;
@@ -509,23 +509,23 @@ struct kmem_cache {
  * cachep->buffer_size - 2* BYTES_PER_WORD: redzone word [BYTES_PER_WORD long]
  * cachep->buffer_size - 1* BYTES_PER_WORD: last caller address [BYTES_PER_WORD long]
  */
-static int obj_offset(kmem_cache_t *cachep)
+static int obj_offset(struct kmem_cache *cachep)
 {
         return cachep->obj_offset;
 }
 
-static int obj_size(kmem_cache_t *cachep)
+static int obj_size(struct kmem_cache *cachep)
 {
         return cachep->obj_size;
 }
 
-static unsigned long *dbg_redzone1(kmem_cache_t *cachep, void *objp)
+static unsigned long *dbg_redzone1(struct kmem_cache *cachep, void *objp)
 {
         BUG_ON(!(cachep->flags & SLAB_RED_ZONE));
         return (unsigned long*) (objp+obj_offset(cachep)-BYTES_PER_WORD);
 }
 
-static unsigned long *dbg_redzone2(kmem_cache_t *cachep, void *objp)
+static unsigned long *dbg_redzone2(struct kmem_cache *cachep, void *objp)
 {
         BUG_ON(!(cachep->flags & SLAB_RED_ZONE));
         if (cachep->flags & SLAB_STORE_USER)
@@ -534,7 +534,7 @@ static unsigned long *dbg_redzone2(kmem_cache_t *cachep, void *objp)
         return (unsigned long *)(objp + cachep->buffer_size - BYTES_PER_WORD);
 }
 
-static void **dbg_userword(kmem_cache_t *cachep, void *objp)
+static void **dbg_userword(struct kmem_cache *cachep, void *objp)
 {
         BUG_ON(!(cachep->flags & SLAB_STORE_USER));
         return (void **)(objp + cachep->buffer_size - BYTES_PER_WORD);
@@ -636,16 +636,16 @@ static struct arraycache_init initarray_generic =
     { {0, BOOT_CPUCACHE_ENTRIES, 1, 0} };
 
 /* internal cache of cache description objs */
-static kmem_cache_t cache_cache = {
+static struct kmem_cache cache_cache = {
         .batchcount = 1,
         .limit = BOOT_CPUCACHE_ENTRIES,
         .shared = 1,
-        .buffer_size = sizeof(kmem_cache_t),
+        .buffer_size = sizeof(struct kmem_cache),
         .flags = SLAB_NO_REAP,
         .spinlock = SPIN_LOCK_UNLOCKED,
         .name = "kmem_cache",
 #if DEBUG
-        .obj_size = sizeof(kmem_cache_t),
+        .obj_size = sizeof(struct kmem_cache),
 #endif
 };
 
@@ -674,17 +674,17 @@ static enum {
 
 static DEFINE_PER_CPU(struct work_struct, reap_work);
 
-static void free_block(kmem_cache_t *cachep, void **objpp, int len, int node);
-static void enable_cpucache(kmem_cache_t *cachep);
+static void free_block(struct kmem_cache *cachep, void **objpp, int len, int node);
+static void enable_cpucache(struct kmem_cache *cachep);
 static void cache_reap(void *unused);
-static int __node_shrink(kmem_cache_t *cachep, int node);
+static int __node_shrink(struct kmem_cache *cachep, int node);
 
-static inline struct array_cache *cpu_cache_get(kmem_cache_t *cachep)
+static inline struct array_cache *cpu_cache_get(struct kmem_cache *cachep)
 {
         return cachep->array[smp_processor_id()];
 }
 
-static inline kmem_cache_t *__find_general_cachep(size_t size, gfp_t gfpflags)
+static inline struct kmem_cache *__find_general_cachep(size_t size, gfp_t gfpflags)
 {
         struct cache_sizes *csizep = malloc_sizes;
 
@@ -708,7 +708,7 @@ static inline kmem_cache_t *__find_general_cachep(size_t size, gfp_t gfpflags)
         return csizep->cs_cachep;
 }
 
-kmem_cache_t *kmem_find_general_cachep(size_t size, gfp_t gfpflags)
+struct kmem_cache *kmem_find_general_cachep(size_t size, gfp_t gfpflags)
 {
         return __find_general_cachep(size, gfpflags);
 }
@@ -781,7 +781,7 @@ static void cache_estimate(unsigned long gfporder, size_t buffer_size,
 
 #define slab_error(cachep, msg) __slab_error(__FUNCTION__, cachep, msg)
 
-static void __slab_error(const char *function, kmem_cache_t *cachep, char *msg)
+static void __slab_error(const char *function, struct kmem_cache *cachep, char *msg)
 {
         printk(KERN_ERR "slab error in %s(): cache `%s': %s\n",
                function, cachep->name, msg);
@@ -828,7 +828,7 @@ static struct array_cache *alloc_arraycache(int node, int entries,
 }
 
 #ifdef CONFIG_NUMA
-static void *__cache_alloc_node(kmem_cache_t *, gfp_t, int);
+static void *__cache_alloc_node(struct kmem_cache *, gfp_t, int);
 
 static struct array_cache **alloc_alien_cache(int node, int limit)
 {
@@ -870,7 +870,7 @@ static void free_alien_cache(struct array_cache **ac_ptr)
         kfree(ac_ptr);
 }
 
-static void __drain_alien_cache(kmem_cache_t *cachep,
+static void __drain_alien_cache(struct kmem_cache *cachep,
                                 struct array_cache *ac, int node)
 {
         struct kmem_list3 *rl3 = cachep->nodelists[node];
@@ -883,7 +883,7 @@ static void __drain_alien_cache(kmem_cache_t *cachep,
         }
 }
 
-static void drain_alien_cache(kmem_cache_t *cachep, struct kmem_list3 *l3)
+static void drain_alien_cache(struct kmem_cache *cachep, struct kmem_list3 *l3)
 {
         int i = 0;
         struct array_cache *ac;
@@ -908,7 +908,7 @@ static int __devinit cpuup_callback(struct notifier_block *nfb,
                                     unsigned long action, void *hcpu)
 {
         long cpu = (long)hcpu;
-        kmem_cache_t *cachep;
+        struct kmem_cache *cachep;
         struct kmem_list3 *l3 = NULL;
         int node = cpu_to_node(cpu);
         int memsize = sizeof(struct kmem_list3);
@@ -1046,7 +1046,7 @@ static struct notifier_block cpucache_notifier = { &cpuup_callback, NULL, 0 };
 /*
  * swap the static kmem_list3 with kmalloced memory
  */
-static void init_list(kmem_cache_t *cachep, struct kmem_list3 *list, int nodeid)
+static void init_list(struct kmem_cache *cachep, struct kmem_list3 *list, int nodeid)
 {
         struct kmem_list3 *ptr;
 
@@ -1086,14 +1086,14 @@ void __init kmem_cache_init(void)
 
         /* Bootstrap is tricky, because several objects are allocated
          * from caches that do not exist yet:
-         * 1) initialize the cache_cache cache: it contains the kmem_cache_t
+         * 1) initialize the cache_cache cache: it contains the struct kmem_cache
          *    structures of all caches, except cache_cache itself: cache_cache
          *    is statically allocated.
          *    Initially an __init data area is used for the head array and the
          *    kmem_list3 structures, it's replaced with a kmalloc allocated
          *    array at the end of the bootstrap.
          * 2) Create the first kmalloc cache.
-         *    The kmem_cache_t for the new cache is allocated normally.
+         *    The struct kmem_cache for the new cache is allocated normally.
          *    An __init data area is used for the head array.
          * 3) Create the remaining kmalloc caches, with minimally sized
          *    head arrays.
@@ -1224,7 +1224,7 @@ void __init kmem_cache_init(void)
 
         /* 6) resize the head arrays to their final sizes */
         {
-                kmem_cache_t *cachep;
+                struct kmem_cache *cachep;
                 mutex_lock(&cache_chain_mutex);
                 list_for_each_entry(cachep, &cache_chain, next)
                     enable_cpucache(cachep);
@@ -1267,7 +1267,7 @@ __initcall(cpucache_init);
  * did not request dmaable memory, we might get it, but that
  * would be relatively rare and ignorable.
  */
-static void *kmem_getpages(kmem_cache_t *cachep, gfp_t flags, int nodeid)
+static void *kmem_getpages(struct kmem_cache *cachep, gfp_t flags, int nodeid)
 {
         struct page *page;
         void *addr;
@@ -1293,7 +1293,7 @@ static void *kmem_getpages(kmem_cache_t *cachep, gfp_t flags, int nodeid)
 /*
  * Interface to system's page release.
  */
-static void kmem_freepages(kmem_cache_t *cachep, void *addr)
+static void kmem_freepages(struct kmem_cache *cachep, void *addr)
 {
         unsigned long i = (1 << cachep->gfporder);
         struct page *page = virt_to_page(addr);
@@ -1315,7 +1315,7 @@ static void kmem_freepages(kmem_cache_t *cachep, void *addr)
 static void kmem_rcu_free(struct rcu_head *head)
 {
         struct slab_rcu *slab_rcu = (struct slab_rcu *)head;
-        kmem_cache_t *cachep = slab_rcu->cachep;
+        struct kmem_cache *cachep = slab_rcu->cachep;
 
         kmem_freepages(cachep, slab_rcu->addr);
         if (OFF_SLAB(cachep))
@@ -1325,7 +1325,7 @@ static void kmem_rcu_free(struct rcu_head *head)
 #if DEBUG
 
 #ifdef CONFIG_DEBUG_PAGEALLOC
-static void store_stackinfo(kmem_cache_t *cachep, unsigned long *addr,
+static void store_stackinfo(struct kmem_cache *cachep, unsigned long *addr,
                             unsigned long caller)
 {
         int size = obj_size(cachep);
@@ -1358,7 +1358,7 @@ static void store_stackinfo(kmem_cache_t *cachep, unsigned long *addr,
 }
 #endif
 
-static void poison_obj(kmem_cache_t *cachep, void *addr, unsigned char val)
+static void poison_obj(struct kmem_cache *cachep, void *addr, unsigned char val)
 {
         int size = obj_size(cachep);
         addr = &((char *)addr)[obj_offset(cachep)];
@@ -1380,7 +1380,7 @@ static void dump_line(char *data, int offset, int limit)
 
 #if DEBUG
 
-static void print_objinfo(kmem_cache_t *cachep, void *objp, int lines)
+static void print_objinfo(struct kmem_cache *cachep, void *objp, int lines)
 {
         int i, size;
         char *realobj;
@@ -1409,7 +1409,7 @@ static void print_objinfo(kmem_cache_t *cachep, void *objp, int lines)
         }
 }
 
-static void check_poison_obj(kmem_cache_t *cachep, void *objp)
+static void check_poison_obj(struct kmem_cache *cachep, void *objp)
 {
         char *realobj;
         int size, i;
@@ -1476,7 +1476,7 @@ static void check_poison_obj(kmem_cache_t *cachep, void *objp)
  * slab_destroy_objs - call the registered destructor for each object in
  *      a slab that is to be destroyed.
  */
-static void slab_destroy_objs(kmem_cache_t *cachep, struct slab *slabp)
+static void slab_destroy_objs(struct kmem_cache *cachep, struct slab *slabp)
 {
         int i;
         for (i = 0; i < cachep->num; i++) {
@@ -1508,7 +1508,7 @@ static void slab_destroy_objs(kmem_cache_t *cachep, struct slab *slabp)
         }
 }
 #else
-static void slab_destroy_objs(kmem_cache_t *cachep, struct slab *slabp)
+static void slab_destroy_objs(struct kmem_cache *cachep, struct slab *slabp)
 {
         if (cachep->dtor) {
                 int i;
@@ -1525,7 +1525,7 @@ static void slab_destroy_objs(kmem_cache_t *cachep, struct slab *slabp)
  * Before calling the slab must have been unlinked from the cache.
  * The cache-lock is not held/needed.
  */
-static void slab_destroy(kmem_cache_t *cachep, struct slab *slabp)
+static void slab_destroy(struct kmem_cache *cachep, struct slab *slabp)
 {
         void *addr = slabp->s_mem - slabp->colouroff;
 
@@ -1546,7 +1546,7 @@ static void slab_destroy(kmem_cache_t *cachep, struct slab *slabp)
 
 /* For setting up all the kmem_list3s for cache whose buffer_size is same
    as size of kmem_list3. */
-static void set_up_list3s(kmem_cache_t *cachep, int index)
+static void set_up_list3s(struct kmem_cache *cachep, int index)
 {
         int node;
 
@@ -1566,7 +1566,7 @@ static void set_up_list3s(kmem_cache_t *cachep, int index)
  * high order pages for slabs.  When the gfp() functions are more friendly
  * towards high-order requests, this should be changed.
  */
-static inline size_t calculate_slab_order(kmem_cache_t *cachep, size_t size,
+static inline size_t calculate_slab_order(struct kmem_cache *cachep, size_t size,
                                           size_t align, gfp_t flags)
 {
         size_t left_over = 0;
@@ -1638,13 +1638,13 @@ static inline size_t calculate_slab_order(kmem_cache_t *cachep, size_t size,
  * cacheline.  This can be beneficial if you're counting cycles as closely
  * as davem.
  */
-kmem_cache_t *
+struct kmem_cache *
 kmem_cache_create (const char *name, size_t size, size_t align,
-        unsigned long flags, void (*ctor)(void*, kmem_cache_t *, unsigned long),
-        void (*dtor)(void*, kmem_cache_t *, unsigned long))
+        unsigned long flags, void (*ctor)(void*, struct kmem_cache *, unsigned long),
+        void (*dtor)(void*, struct kmem_cache *, unsigned long))
 {
         size_t left_over, slab_size, ralign;
-        kmem_cache_t *cachep = NULL;
+        struct kmem_cache *cachep = NULL;
         struct list_head *p;
 
         /*
@@ -1662,7 +1662,7 @@ kmem_cache_create (const char *name, size_t size, size_t align,
         mutex_lock(&cache_chain_mutex);
 
         list_for_each(p, &cache_chain) {
-                kmem_cache_t *pc = list_entry(p, kmem_cache_t, next);
+                struct kmem_cache *pc = list_entry(p, struct kmem_cache, next);
                 mm_segment_t old_fs = get_fs();
                 char tmp;
                 int res;
@@ -1762,10 +1762,10 @@ kmem_cache_create (const char *name, size_t size, size_t align,
         align = ralign;
 
         /* Get cache's description obj. */
-        cachep = (kmem_cache_t *) kmem_cache_alloc(&cache_cache, SLAB_KERNEL);
+        cachep = kmem_cache_alloc(&cache_cache, SLAB_KERNEL);
         if (!cachep)
                 goto oops;
-        memset(cachep, 0, sizeof(kmem_cache_t));
+        memset(cachep, 0, sizeof(struct kmem_cache));
 
 #if DEBUG
         cachep->obj_size = size;
@@ -1941,7 +1941,7 @@ static void check_irq_on(void)
         BUG_ON(irqs_disabled());
 }
 
-static void check_spinlock_acquired(kmem_cache_t *cachep)
+static void check_spinlock_acquired(struct kmem_cache *cachep)
 {
 #ifdef CONFIG_SMP
         check_irq_off();
@@ -1949,7 +1949,7 @@ static void check_spinlock_acquired(kmem_cache_t *cachep)
 #endif
 }
 
-static void check_spinlock_acquired_node(kmem_cache_t *cachep, int node)
+static void check_spinlock_acquired_node(struct kmem_cache *cachep, int node)
 {
 #ifdef CONFIG_SMP
         check_irq_off();
@@ -1982,12 +1982,12 @@ static void smp_call_function_all_cpus(void (*func)(void *arg), void *arg)
         preempt_enable();
 }
 
-static void drain_array_locked(kmem_cache_t *cachep, struct array_cache *ac,
+static void drain_array_locked(struct kmem_cache *cachep, struct array_cache *ac,
                                 int force, int node);
 
 static void do_drain(void *arg)
 {
-        kmem_cache_t *cachep = (kmem_cache_t *) arg;
+        struct kmem_cache *cachep = (struct kmem_cache *) arg;
         struct array_cache *ac;
         int node = numa_node_id();
 
@@ -1999,7 +1999,7 @@ static void do_drain(void *arg)
         ac->avail = 0;
 }
 
-static void drain_cpu_caches(kmem_cache_t *cachep)
+static void drain_cpu_caches(struct kmem_cache *cachep)
 {
         struct kmem_list3 *l3;
         int node;
@@ -2020,7 +2020,7 @@ static void drain_cpu_caches(kmem_cache_t *cachep)
         spin_unlock_irq(&cachep->spinlock);
 }
 
-static int __node_shrink(kmem_cache_t *cachep, int node)
+static int __node_shrink(struct kmem_cache *cachep, int node)
 {
         struct slab *slabp;
         struct kmem_list3 *l3 = cachep->nodelists[node];
@@ -2049,7 +2049,7 @@ static int __node_shrink(kmem_cache_t *cachep, int node)
         return ret;
 }
 
-static int __cache_shrink(kmem_cache_t *cachep)
+static int __cache_shrink(struct kmem_cache *cachep)
 {
         int ret = 0, i = 0;
         struct kmem_list3 *l3;
@@ -2075,7 +2075,7 @@ static int __cache_shrink(kmem_cache_t *cachep)
  * Releases as many slabs as possible for a cache.
  * To help debugging, a zero exit status indicates all slabs were released.
  */
-int kmem_cache_shrink(kmem_cache_t *cachep)
+int kmem_cache_shrink(struct kmem_cache *cachep)
 {
         if (!cachep || in_interrupt())
                 BUG();
@@ -2088,7 +2088,7 @@ EXPORT_SYMBOL(kmem_cache_shrink);
  * kmem_cache_destroy - delete a cache
  * @cachep: the cache to destroy
  *
- * Remove a kmem_cache_t object from the slab cache.
+ * Remove a struct kmem_cache object from the slab cache.
  * Returns 0 on success.
  *
  * It is expected this function will be called by a module when it is
@@ -2101,7 +2101,7 @@ EXPORT_SYMBOL(kmem_cache_shrink);
  * The caller must guarantee that noone will allocate memory from the cache
  * during the kmem_cache_destroy().
  */
-int kmem_cache_destroy(kmem_cache_t *cachep)
+int kmem_cache_destroy(struct kmem_cache *cachep)
 {
         int i;
         struct kmem_list3 *l3;
@@ -2152,7 +2152,7 @@ int kmem_cache_destroy(kmem_cache_t *cachep)
 EXPORT_SYMBOL(kmem_cache_destroy);
 
 /* Get the memory for a slab management obj. */
-static struct slab *alloc_slabmgmt(kmem_cache_t *cachep, void *objp,
+static struct slab *alloc_slabmgmt(struct kmem_cache *cachep, void *objp,
                                    int colour_off, gfp_t local_flags)
 {
         struct slab *slabp;
@@ -2178,7 +2178,7 @@ static inline kmem_bufctl_t *slab_bufctl(struct slab *slabp)
         return (kmem_bufctl_t *) (slabp + 1);
 }
 
-static void cache_init_objs(kmem_cache_t *cachep,
+static void cache_init_objs(struct kmem_cache *cachep,
                             struct slab *slabp, unsigned long ctor_flags)
 {
         int i;
@@ -2227,7 +2227,7 @@ static void cache_init_objs(kmem_cache_t *cachep,
         slabp->free = 0;
 }
 
-static void kmem_flagcheck(kmem_cache_t *cachep, gfp_t flags)
+static void kmem_flagcheck(struct kmem_cache *cachep, gfp_t flags)
 {
         if (flags & SLAB_DMA) {
                 if (!(cachep->gfpflags & GFP_DMA))
@@ -2238,7 +2238,7 @@ static void kmem_flagcheck(kmem_cache_t *cachep, gfp_t flags)
         }
 }
 
-static void *slab_get_obj(kmem_cache_t *cachep, struct slab *slabp, int nodeid)
+static void *slab_get_obj(struct kmem_cache *cachep, struct slab *slabp, int nodeid)
 {
         void *objp = slabp->s_mem + (slabp->free * cachep->buffer_size);
         kmem_bufctl_t next;
@@ -2254,7 +2254,7 @@ static void *slab_get_obj(kmem_cache_t *cachep, struct slab *slabp, int nodeid)
         return objp;
 }
 
-static void slab_put_obj(kmem_cache_t *cachep, struct slab *slabp, void *objp,
+static void slab_put_obj(struct kmem_cache *cachep, struct slab *slabp, void *objp,
                           int nodeid)
 {
         unsigned int objnr = (unsigned)(objp-slabp->s_mem) / cachep->buffer_size;
@@ -2274,7 +2274,7 @@ static void slab_put_obj(kmem_cache_t *cachep, struct slab *slabp, void *objp,
         slabp->inuse--;
 }
 
-static void set_slab_attr(kmem_cache_t *cachep, struct slab *slabp, void *objp)
+static void set_slab_attr(struct kmem_cache *cachep, struct slab *slabp, void *objp)
 {
         int i;
         struct page *page;
@@ -2293,7 +2293,7 @@ static void set_slab_attr(kmem_cache_t *cachep, struct slab *slabp, void *objp)
  * Grow (by 1) the number of slabs within a cache.  This is called by
  * kmem_cache_alloc() when there are no active objs left in a cache.
  */
-static int cache_grow(kmem_cache_t *cachep, gfp_t flags, int nodeid)
+static int cache_grow(struct kmem_cache *cachep, gfp_t flags, int nodeid)
 {
         struct slab *slabp;
         void *objp;
@@ -2404,7 +2404,7 @@ static void kfree_debugcheck(const void *objp)
         }
 }
 
-static void *cache_free_debugcheck(kmem_cache_t *cachep, void *objp,
+static void *cache_free_debugcheck(struct kmem_cache *cachep, void *objp,
                                    void *caller)
 {
         struct page *page;
@@ -2478,7 +2478,7 @@ static void *cache_free_debugcheck(kmem_cache_t *cachep, void *objp,
         return objp;
 }
 
-static void check_slabp(kmem_cache_t *cachep, struct slab *slabp)
+static void check_slabp(struct kmem_cache *cachep, struct slab *slabp)
 {
         kmem_bufctl_t i;
         int entries = 0;
@@ -2511,7 +2511,7 @@ static void check_slabp(kmem_cache_t *cachep, struct slab *slabp)
 #define check_slabp(x,y) do { } while(0)
 #endif
 
-static void *cache_alloc_refill(kmem_cache_t *cachep, gfp_t flags)
+static void *cache_alloc_refill(struct kmem_cache *cachep, gfp_t flags)
 {
         int batchcount;
         struct kmem_list3 *l3;
@@ -2602,7 +2602,7 @@ static void *cache_alloc_refill(kmem_cache_t *cachep, gfp_t flags)
 }
 
 static inline void
-cache_alloc_debugcheck_before(kmem_cache_t *cachep, gfp_t flags)
+cache_alloc_debugcheck_before(struct kmem_cache *cachep, gfp_t flags)
 {
         might_sleep_if(flags & __GFP_WAIT);
 #if DEBUG
@@ -2611,7 +2611,7 @@ cache_alloc_debugcheck_before(kmem_cache_t *cachep, gfp_t flags)
 }
 
 #if DEBUG
-static void *cache_alloc_debugcheck_after(kmem_cache_t *cachep, gfp_t flags,
+static void *cache_alloc_debugcheck_after(struct kmem_cache *cachep, gfp_t flags,
                                         void *objp, void *caller)
 {
         if (!objp)
@@ -2660,7 +2660,7 @@ static void *cache_alloc_debugcheck_after(kmem_cache_t *cachep, gfp_t flags,
 #define cache_alloc_debugcheck_after(a,b,objp,d) (objp)
 #endif
 
-static inline void *____cache_alloc(kmem_cache_t *cachep, gfp_t flags)
+static inline void *____cache_alloc(struct kmem_cache *cachep, gfp_t flags)
 {
         void *objp;
         struct array_cache *ac;
@@ -2687,7 +2687,7 @@ static inline void *____cache_alloc(kmem_cache_t *cachep, gfp_t flags)
         return objp;
 }
 
-static inline void *__cache_alloc(kmem_cache_t *cachep, gfp_t flags)
+static inline void *__cache_alloc(struct kmem_cache *cachep, gfp_t flags)
 {
         unsigned long save_flags;
         void *objp;
@@ -2707,7 +2707,7 @@ static inline void *__cache_alloc(kmem_cache_t *cachep, gfp_t flags)
 /*
  * A interface to enable slab creation on nodeid
  */
-static void *__cache_alloc_node(kmem_cache_t *cachep, gfp_t flags, int nodeid)
+static void *__cache_alloc_node(struct kmem_cache *cachep, gfp_t flags, int nodeid)
 {
         struct list_head *entry;
         struct slab *slabp;
@@ -2769,7 +2769,7 @@ static void *__cache_alloc_node(kmem_cache_t *cachep, gfp_t flags, int nodeid)
 /*
  * Caller needs to acquire correct kmem_list's list_lock
  */
-static void free_block(kmem_cache_t *cachep, void **objpp, int nr_objects,
+static void free_block(struct kmem_cache *cachep, void **objpp, int nr_objects,
                        int node)
 {
         int i;
@@ -2807,7 +2807,7 @@ static void free_block(kmem_cache_t *cachep, void **objpp, int nr_objects,
         }
 }
 
-static void cache_flusharray(kmem_cache_t *cachep, struct array_cache *ac)
+static void cache_flusharray(struct kmem_cache *cachep, struct array_cache *ac)
 {
         int batchcount;
         struct kmem_list3 *l3;
@@ -2866,7 +2866,7 @@ static void cache_flusharray(kmem_cache_t *cachep, struct array_cache *ac)
  *
  * Called with disabled ints.
  */
-static inline void __cache_free(kmem_cache_t *cachep, void *objp)
+static inline void __cache_free(struct kmem_cache *cachep, void *objp)
 {
         struct array_cache *ac = cpu_cache_get(cachep);
 
@@ -2925,7 +2925,7 @@ static inline void __cache_free(kmem_cache_t *cachep, void *objp)
  * Allocate an object from this cache.  The flags are only relevant
  * if the cache has no available objects.
  */
-void *kmem_cache_alloc(kmem_cache_t *cachep, gfp_t flags)
+void *kmem_cache_alloc(struct kmem_cache *cachep, gfp_t flags)
 {
         return __cache_alloc(cachep, flags);
 }
@@ -2945,7 +2945,7 @@ EXPORT_SYMBOL(kmem_cache_alloc);
  *
  * Currently only used for dentry validation.
  */
-int fastcall kmem_ptr_validate(kmem_cache_t *cachep, void *ptr)
+int fastcall kmem_ptr_validate(struct kmem_cache *cachep, void *ptr)
 {
         unsigned long addr = (unsigned long)ptr;
         unsigned long min_addr = PAGE_OFFSET;
@@ -2986,7 +2986,7 @@ int fastcall kmem_ptr_validate(kmem_cache_t *cachep, void *ptr)
  * New and improved: it will now make sure that the object gets
  * put on the correct node list so that there is no false sharing.
  */
-void *kmem_cache_alloc_node(kmem_cache_t *cachep, gfp_t flags, int nodeid)
+void *kmem_cache_alloc_node(struct kmem_cache *cachep, gfp_t flags, int nodeid)
 {
         unsigned long save_flags;
         void *ptr;
@@ -3010,7 +3010,7 @@ EXPORT_SYMBOL(kmem_cache_alloc_node);
 
 void *kmalloc_node(size_t size, gfp_t flags, int node)
 {
-        kmem_cache_t *cachep;
+        struct kmem_cache *cachep;
 
         cachep = kmem_find_general_cachep(size, flags);
         if (unlikely(cachep == NULL))
@@ -3043,7 +3043,7 @@ EXPORT_SYMBOL(kmalloc_node);
  */
 void *__kmalloc(size_t size, gfp_t flags)
 {
-        kmem_cache_t *cachep;
+        struct kmem_cache *cachep;
 
         /* If you want to save a few bytes .text space: replace
          * __ with kmem_.
@@ -3114,7 +3114,7 @@ EXPORT_SYMBOL(__alloc_percpu);
  * Free an object which was previously allocated from this
  * cache.
  */
-void kmem_cache_free(kmem_cache_t *cachep, void *objp)
+void kmem_cache_free(struct kmem_cache *cachep, void *objp)
 {
         unsigned long flags;
 
@@ -3135,7 +3135,7 @@ EXPORT_SYMBOL(kmem_cache_free);
  */
 void kfree(const void *objp)
 {
-        kmem_cache_t *c;
+        struct kmem_cache *c;
         unsigned long flags;
 
         if (unlikely(!objp))
@@ -3172,13 +3172,13 @@ void free_percpu(const void *objp)
 EXPORT_SYMBOL(free_percpu);
 #endif
 
-unsigned int kmem_cache_size(kmem_cache_t *cachep)
+unsigned int kmem_cache_size(struct kmem_cache *cachep)
 {
         return obj_size(cachep);
 }
 EXPORT_SYMBOL(kmem_cache_size);
 
-const char *kmem_cache_name(kmem_cache_t *cachep)
+const char *kmem_cache_name(struct kmem_cache *cachep)
 {
         return cachep->name;
 }
@@ -3187,7 +3187,7 @@ EXPORT_SYMBOL_GPL(kmem_cache_name);
 /*
  * This initializes kmem_list3 for all nodes.
  */
-static int alloc_kmemlist(kmem_cache_t *cachep)
+static int alloc_kmemlist(struct kmem_cache *cachep)
 {
         int node;
         struct kmem_list3 *l3;
@@ -3243,7 +3243,7 @@ static int alloc_kmemlist(kmem_cache_t *cachep)
 }
 
 struct ccupdate_struct {
-        kmem_cache_t *cachep;
+        struct kmem_cache *cachep;
         struct array_cache *new[NR_CPUS];
 };
 
@@ -3259,7 +3259,7 @@ static void do_ccupdate_local(void *info)
         new->new[smp_processor_id()] = old;
 }
 
-static int do_tune_cpucache(kmem_cache_t *cachep, int limit, int batchcount,
+static int do_tune_cpucache(struct kmem_cache *cachep, int limit, int batchcount,
                             int shared)
 {
         struct ccupdate_struct new;
@@ -3305,7 +3305,7 @@ static int do_tune_cpucache(kmem_cache_t *cachep, int limit, int batchcount,
         return 0;
 }
 
-static void enable_cpucache(kmem_cache_t *cachep)
+static void enable_cpucache(struct kmem_cache *cachep)
 {
         int err;
         int limit, shared;
@@ -3357,7 +3357,7 @@ static void enable_cpucache(kmem_cache_t *cachep)
                        cachep->name, -err);
 }
 
-static void drain_array_locked(kmem_cache_t *cachep, struct array_cache *ac,
+static void drain_array_locked(struct kmem_cache *cachep, struct array_cache *ac,
                                 int force, int node)
 {
         int tofree;
@@ -3402,12 +3402,12 @@ static void cache_reap(void *unused)
         }
 
         list_for_each(walk, &cache_chain) {
-                kmem_cache_t *searchp;
+                struct kmem_cache *searchp;
                 struct list_head *p;
                 int tofree;
                 struct slab *slabp;
 
-                searchp = list_entry(walk, kmem_cache_t, next);
+                searchp = list_entry(walk, struct kmem_cache, next);
 
                 if (searchp->flags & SLAB_NO_REAP)
                         goto next;
@@ -3510,15 +3510,15 @@ static void *s_start(struct seq_file *m, loff_t *pos)
                 if (p == &cache_chain)
                         return NULL;
         }
-        return list_entry(p, kmem_cache_t, next);
+        return list_entry(p, struct kmem_cache, next);
 }
 
 static void *s_next(struct seq_file *m, void *p, loff_t *pos)
 {
-        kmem_cache_t *cachep = p;
+        struct kmem_cache *cachep = p;
         ++*pos;
         return cachep->next.next == &cache_chain ? NULL
-            : list_entry(cachep->next.next, kmem_cache_t, next);
+            : list_entry(cachep->next.next, struct kmem_cache, next);
 }
 
 static void s_stop(struct seq_file *m, void *p)
@@ -3528,7 +3528,7 @@ static void s_stop(struct seq_file *m, void *p)
 
 static int s_show(struct seq_file *m, void *p)
 {
-        kmem_cache_t *cachep = p;
+        struct kmem_cache *cachep = p;
         struct list_head *q;
         struct slab *slabp;
         unsigned long active_objs;
@@ -3678,7 +3678,8 @@ ssize_t slabinfo_write(struct file *file, const char __user * buffer,
         mutex_lock(&cache_chain_mutex);
         res = -EINVAL;
         list_for_each(p, &cache_chain) {
-                kmem_cache_t *cachep = list_entry(p, kmem_cache_t, next);
+                struct kmem_cache *cachep = list_entry(p, struct kmem_cache,
+                                                       next);
 
                 if (!strcmp(cachep->name, kbuf)) {
                         if (limit < 1 ||