From: Minchan Kim Date: Thu, 3 May 2012 06:40:40 +0000 (+0900) Subject: staging: zsmalloc: add/fix function comment X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=00a61d8618bb7314113eb3ba27c12631cd85c298;p=linux-beck.git staging: zsmalloc: add/fix function comment Add/fix the comment. Signed-off-by: Minchan Kim Acked-by: Nitin Gupta Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/staging/zsmalloc/zsmalloc-main.c b/drivers/staging/zsmalloc/zsmalloc-main.c index 86428000f88a..449673773286 100644 --- a/drivers/staging/zsmalloc/zsmalloc-main.c +++ b/drivers/staging/zsmalloc/zsmalloc-main.c @@ -566,13 +566,9 @@ EXPORT_SYMBOL_GPL(zs_destroy_pool); * zs_malloc - Allocate block of given size from pool. * @pool: pool to allocate from * @size: size of block to allocate - * @page: page no. that holds the object - * @offset: location of object within page - * - * On success, identifies block allocated - * and 0 is returned. On failure, is set to - * 0 and -ENOMEM is returned. * + * On success, handle to the allocated object is returned, + * otherwise NULL. * Allocation requests with size > ZS_MAX_ALLOC_SIZE will fail. */ void *zs_malloc(struct zs_pool *pool, size_t size) @@ -667,6 +663,15 @@ void zs_free(struct zs_pool *pool, void *obj) } EXPORT_SYMBOL_GPL(zs_free); +/** + * zs_map_object - get address of allocated object from handle. + * @pool: pool from which the object was allocated + * @handle: handle returned from zs_malloc + * + * Before using an object allocated from zs_malloc, it must be mapped using + * this function. When done with the object, it must be unmapped using + * zs_unmap_object +*/ void *zs_map_object(struct zs_pool *pool, void *handle) { struct page *page;