From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx154.postini.com [74.125.245.154]) by kanga.kvack.org (Postfix) with SMTP id D700A6B004D for ; Mon, 5 Mar 2012 12:33:55 -0500 (EST) Received: from /spool/local by e34.co.us.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Mon, 5 Mar 2012 10:33:54 -0700 Received: from d03relay01.boulder.ibm.com (d03relay01.boulder.ibm.com [9.17.195.226]) by d03dlp01.boulder.ibm.com (Postfix) with ESMTP id 8B87CC40003 for ; Mon, 5 Mar 2012 10:33:41 -0700 (MST) Received: from d03av01.boulder.ibm.com (d03av01.boulder.ibm.com [9.17.195.167]) by d03relay01.boulder.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id q25HXcJE140308 for ; Mon, 5 Mar 2012 10:33:39 -0700 Received: from d03av01.boulder.ibm.com (loopback [127.0.0.1]) by d03av01.boulder.ibm.com (8.14.4/8.13.1/NCO v10.0 AVout) with ESMTP id q25HXcFE031962 for ; Mon, 5 Mar 2012 10:33:38 -0700 From: Seth Jennings Subject: [PATCH 1/5] staging: zsmalloc: move object/handle masking defines Date: Mon, 5 Mar 2012 11:33:20 -0600 Message-Id: <1330968804-8098-2-git-send-email-sjenning@linux.vnet.ibm.com> In-Reply-To: <1330968804-8098-1-git-send-email-sjenning@linux.vnet.ibm.com> References: <1330968804-8098-1-git-send-email-sjenning@linux.vnet.ibm.com> Sender: owner-linux-mm@kvack.org List-ID: To: Greg Kroah-Hartman Cc: Seth Jennings , Dan Magenheimer , Konrad Rzeszutek Wilk , Nitin Gupta , Robert Jennings , devel@driverdev.osuosl.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org This patch moves the definitions of _PFN_BITS, OBJ_INDEX_BITS and OBJ_INDEX_MASK from zsmalloc-main.c to zsmalloc_int.h They will be needed to determine ZS_MIN_ALLOC_SIZE in the next patch Signed-off-by: Seth Jennings --- drivers/staging/zsmalloc/zsmalloc-main.c | 12 ------------ drivers/staging/zsmalloc/zsmalloc_int.h | 12 ++++++++++++ 2 files changed, 12 insertions(+), 12 deletions(-) diff --git a/drivers/staging/zsmalloc/zsmalloc-main.c b/drivers/staging/zsmalloc/zsmalloc-main.c index 455fc2f..240bcbf 100644 --- a/drivers/staging/zsmalloc/zsmalloc-main.c +++ b/drivers/staging/zsmalloc/zsmalloc-main.c @@ -40,18 +40,6 @@ #define CLASS_IDX_MASK ((1 << CLASS_IDX_BITS) - 1) #define FULLNESS_MASK ((1 << FULLNESS_BITS) - 1) -/* - * Object location (, ) is encoded as - * as single (void *) handle value. - * - * Note that object index is relative to system - * page it is stored in, so for each sub-page belonging - * to a zspage, obj_idx starts with 0. - */ -#define _PFN_BITS (MAX_PHYSMEM_BITS - PAGE_SHIFT) -#define OBJ_INDEX_BITS (BITS_PER_LONG - _PFN_BITS) -#define OBJ_INDEX_MASK ((_AC(1, UL) << OBJ_INDEX_BITS) - 1) - /* per-cpu VM mapping areas for zspage accesses that cross page boundaries */ static DEFINE_PER_CPU(struct mapping_area, zs_map_area); diff --git a/drivers/staging/zsmalloc/zsmalloc_int.h b/drivers/staging/zsmalloc/zsmalloc_int.h index 354a020..e06e142 100644 --- a/drivers/staging/zsmalloc/zsmalloc_int.h +++ b/drivers/staging/zsmalloc/zsmalloc_int.h @@ -25,6 +25,18 @@ */ #define ZS_ALIGN 8 +/* + * Object location (, ) is encoded as + * as single (void *) handle value. + * + * Note that object index is relative to system + * page it is stored in, so for each sub-page belonging + * to a zspage, obj_idx starts with 0. + */ +#define _PFN_BITS (MAX_PHYSMEM_BITS - PAGE_SHIFT) +#define OBJ_INDEX_BITS (BITS_PER_LONG - _PFN_BITS) +#define OBJ_INDEX_MASK ((_AC(1, UL) << OBJ_INDEX_BITS) - 1) + /* ZS_MIN_ALLOC_SIZE must be multiple of ZS_ALIGN */ #define ZS_MIN_ALLOC_SIZE 32 #define ZS_MAX_ALLOC_SIZE PAGE_SIZE -- 1.7.5.4 -- 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