From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751304AbaEOIkA (ORCPT ); Thu, 15 May 2014 04:40:00 -0400 Received: from mailout4.samsung.com ([203.254.224.34]:63770 "EHLO mailout4.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750864AbaEOIj6 (ORCPT ); Thu, 15 May 2014 04:39:58 -0400 X-AuditID: cbfee61b-b7f766d00000646c-98-53747d59dd8b From: Weijie Yang To: "'Minchan Kim'" Cc: "'Andrew Morton'" , "'Nitin Gupta'" , "'Bob Liu'" , "'linux-kernel'" , "'Weijie Yang'" Subject: [PATCH] zsmalloc: fixup trivial zs size classes value in comments Date: Thu, 15 May 2014 16:38:31 +0800 Message-id: <000201cf7019$3e2c7cf0$ba8576d0$%yang@samsung.com> MIME-version: 1.0 Content-type: text/plain; charset=UTF-8 Content-transfer-encoding: 7bit X-Mailer: Microsoft Office Outlook 12.0 Thread-index: Ac9wGQ0NiGoiIdOUQUmgr44856s2Qw== Content-language: zh-cn X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFnrOLMWRmVeSWpSXmKPExsVy+t9jQd3I2pJggzevjSzmrF/DZtF1aiqL xeVdc9gsln19z26xoWUWu8WTE/9ZHNg8ds66y+6xaVUnm8eJGb9ZPD4+vcXisfPTZlaPz5vk AtiiuGxSUnMyy1KL9O0SuDKa+34yFxxhq2i60cfawDiZtYuRk0NCwERi3vRZLBC2mMSFe+vZ uhi5OIQEpjNK/Nu8iB3C+cMo8WjdUzaQKjYBbYm7/RvBukUE1CTWHXzBAlLELHCRUeLG9ZvM IAlhAS+JN88uMXYxcnCwCKhKTNjpDBLmFbCTWLRnBhOELSjxY/I9sM3MAuoSk+YtYoaw5SU2 r3nLDNIqARR/9FcXYpWexOvrB6HKxSU2HrnFMoFRYBaSSbOQTJqFZNIsJC0LGFlWMYqmFiQX FCel5xrpFSfmFpfmpesl5+duYgQH/zPpHYyrGiwOMQpwMCrx8DJMLg4WYk0sK67MPcQowcGs JMLrWF0SLMSbklhZlVqUH19UmpNafIhRmoNFSZz3YKt1oJBAemJJanZqakFqEUyWiYNTqoHR PZJxqo7J5SdXL638l9XAzbf0ygMH45Y9FkbzGtTeNnwpOGnhdUl9vp2a6PzFE87GydsfUW/i OLnSsUb8I/uHQ88txNIyVhziquN2OnoixGz6seeqry5vtHOK+fHxIPPBHWV7Oa+5rLz5s+Qi W1R/mZHEnyPLHeY2qy/esHXuu036+9iEl1ysVmIpzkg01GIuKk4EAECcCgt6AgAA Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org According to calculation, ZS_SIZE_CLASSES value is 255 on systems with 4K page size, not 254. The old value may forget count the ZS_MIN_ALLOC_SIZE in. This patch fixup this trivial issue in the comments. Signed-off-by: Weijie Yang --- mm/zsmalloc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/zsmalloc.c b/mm/zsmalloc.c index 36b4591..04a6000 100644 --- a/mm/zsmalloc.c +++ b/mm/zsmalloc.c @@ -141,7 +141,7 @@ #define ZS_MAX_ALLOC_SIZE PAGE_SIZE /* - * On systems with 4K page size, this gives 254 size classes! There is a + * On systems with 4K page size, this gives 255 size classes! There is a * trader-off here: * - Large number of size classes is potentially wasteful as free page are * spread across these classes -- 1.7.10.4