[PATCH] wait_table and zonelist initializing for memory hotadd: wait_table initialization

[linux-2.6-omap-h63xx.git] / mm / mempool.c

diff --git a/mm/mempool.c b/mm/mempool.c
index 9ef13dd68ab711e4b093189d134d91e76ee364b1..fe6e05289cc5b5b7b30f036980fb7ea3835892e0 100644 (file)
--- a/mm/mempool.c
+++ b/mm/mempool.c
@@ -289,3 +289,45 @@ void mempool_free_slab(void *element, void *pool_data)
        kmem_cache_free(mem, element);
 }
 EXPORT_SYMBOL(mempool_free_slab);
+
+/*
+ * A commonly used alloc and free fn that kmalloc/kfrees the amount of memory
+ * specfied by pool_data
+ */
+void *mempool_kmalloc(gfp_t gfp_mask, void *pool_data)
+{
+       size_t size = (size_t)(long)pool_data;
+       return kmalloc(size, gfp_mask);
+}
+EXPORT_SYMBOL(mempool_kmalloc);
+
+void *mempool_kzalloc(gfp_t gfp_mask, void *pool_data)
+{
+       size_t size = (size_t) pool_data;
+       return kzalloc(size, gfp_mask);
+}
+EXPORT_SYMBOL(mempool_kzalloc);
+
+void mempool_kfree(void *element, void *pool_data)
+{
+       kfree(element);
+}
+EXPORT_SYMBOL(mempool_kfree);
+
+/*
+ * A simple mempool-backed page allocator that allocates pages
+ * of the order specified by pool_data.
+ */
+void *mempool_alloc_pages(gfp_t gfp_mask, void *pool_data)
+{
+       int order = (int)(long)pool_data;
+       return alloc_pages(gfp_mask, order);
+}
+EXPORT_SYMBOL(mempool_alloc_pages);
+
+void mempool_free_pages(void *element, void *pool_data)
+{
+       int order = (int)(long)pool_data;
+       __free_pages(element, order);
+}
+EXPORT_SYMBOL(mempool_free_pages);