From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx134.postini.com [74.125.245.134]) by kanga.kvack.org (Postfix) with SMTP id 344AE6B0092 for ; Wed, 25 Apr 2012 02:22:46 -0400 (EDT) From: Minchan Kim Subject: [PATCH 4/6] zsmalloc: add/fix function comment Date: Wed, 25 Apr 2012 15:23:12 +0900 Message-Id: <1335334994-22138-5-git-send-email-minchan@kernel.org> In-Reply-To: <1335334994-22138-1-git-send-email-minchan@kernel.org> References: <1335334994-22138-1-git-send-email-minchan@kernel.org> Sender: owner-linux-mm@kvack.org List-ID: To: Greg Kroah-Hartman , Seth Jennings , Nitin Gupta , Dan Magenheimer , Andrew Morton Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org, Minchan Kim Add/fix the comment. Signed-off-by: Minchan Kim --- drivers/staging/zsmalloc/zsmalloc-main.c | 15 +++++++++++---- 1 file changed, 11 insertions(+), 4 deletions(-) diff --git a/drivers/staging/zsmalloc/zsmalloc-main.c b/drivers/staging/zsmalloc/zsmalloc-main.c index 0fe4cbb..b7d31cc 100644 --- a/drivers/staging/zsmalloc/zsmalloc-main.c +++ b/drivers/staging/zsmalloc/zsmalloc-main.c @@ -565,12 +565,9 @@ 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. + * and is returned. On failure, NULL is returned. * * Allocation requests with size > ZS_MAX_ALLOC_SIZE will fail. */ @@ -666,6 +663,16 @@ 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: object allocated pool + * @handle: handle returned from zs_malloc + * + * Before using object allocated from zs_malloc, object + * should be mapped to page table by this function. + * After using object, call zs_unmap_object to unmap page + * table. + */ void *zs_map_object(struct zs_pool *pool, void *handle) { struct page *page; -- 1.7.9.5 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: email@kvack.org