Fedora kernel-2.6.17-1.2142_FC4 patched with stable patch-2.6.17.4-vs2.0.2-rc26.diff

[linux-2.6.git] / include / linux / mempool.h

diff --git a/include/linux/mempool.h b/include/linux/mempool.h
index 4a36edf..9be484d 100644 (file)
--- a/include/linux/mempool.h
+++ b/include/linux/mempool.h
@@ -6,7 +6,9 @@
 
 #include <linux/wait.h>
 
-typedef void * (mempool_alloc_t)(unsigned int __nocast gfp_mask, void *pool_data);
+struct kmem_cache;
+
+typedef void * (mempool_alloc_t)(gfp_t gfp_mask, void *pool_data);
 typedef void (mempool_free_t)(void *element, void *pool_data);
 
 typedef struct mempool_s {
@@ -20,18 +22,58 @@ typedef struct mempool_s {
        mempool_free_t *free;
        wait_queue_head_t wait;
 } mempool_t;
-extern mempool_t * mempool_create(int min_nr, mempool_alloc_t *alloc_fn,
-                                mempool_free_t *free_fn, void *pool_data);
-extern int mempool_resize(mempool_t *pool, int new_min_nr, unsigned int __nocast gfp_mask);
+
+extern mempool_t *mempool_create(int min_nr, mempool_alloc_t *alloc_fn,
+                       mempool_free_t *free_fn, void *pool_data);
+extern mempool_t *mempool_create_node(int min_nr, mempool_alloc_t *alloc_fn,
+                       mempool_free_t *free_fn, void *pool_data, int nid);
+
+extern int mempool_resize(mempool_t *pool, int new_min_nr, gfp_t gfp_mask);
 extern void mempool_destroy(mempool_t *pool);
-extern void * mempool_alloc(mempool_t *pool, unsigned int __nocast gfp_mask);
+extern void * mempool_alloc(mempool_t *pool, gfp_t gfp_mask);
 extern void mempool_free(void *element, mempool_t *pool);
 
 /*
  * A mempool_alloc_t and mempool_free_t that get the memory from
  * a slab that is passed in through pool_data.
  */
-void *mempool_alloc_slab(unsigned int __nocast gfp_mask, void *pool_data);
+void *mempool_alloc_slab(gfp_t gfp_mask, void *pool_data);
 void mempool_free_slab(void *element, void *pool_data);
+static inline mempool_t *
+mempool_create_slab_pool(int min_nr, struct kmem_cache *kc)
+{
+       return mempool_create(min_nr, mempool_alloc_slab, mempool_free_slab,
+                             (void *) kc);
+}
+
+/*
+ * 2 mempool_alloc_t's and a mempool_free_t to kmalloc/kzalloc and kfree
+ * the amount of memory specified by pool_data
+ */
+void *mempool_kmalloc(gfp_t gfp_mask, void *pool_data);
+void *mempool_kzalloc(gfp_t gfp_mask, void *pool_data);
+void mempool_kfree(void *element, void *pool_data);
+static inline mempool_t *mempool_create_kmalloc_pool(int min_nr, size_t size)
+{
+       return mempool_create(min_nr, mempool_kmalloc, mempool_kfree,
+                             (void *) size);
+}
+static inline mempool_t *mempool_create_kzalloc_pool(int min_nr, size_t size)
+{
+       return mempool_create(min_nr, mempool_kzalloc, mempool_kfree,
+                             (void *) size);
+}
+
+/*
+ * A mempool_alloc_t and mempool_free_t for a simple page allocator that
+ * allocates pages of the order specified by pool_data
+ */
+void *mempool_alloc_pages(gfp_t gfp_mask, void *pool_data);
+void mempool_free_pages(void *element, void *pool_data);
+static inline mempool_t *mempool_create_page_pool(int min_nr, int order)
+{
+       return mempool_create(min_nr, mempool_alloc_pages, mempool_free_pages,
+                             (void *)(long)order);
+}
 
 #endif /* _LINUX_MEMPOOL_H */