From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933681Ab3EGN56 (ORCPT ); Tue, 7 May 2013 09:57:58 -0400 Received: from youngberry.canonical.com ([91.189.89.112]:42467 "EHLO youngberry.canonical.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933247Ab3EGNl5 (ORCPT ); Tue, 7 May 2013 09:41:57 -0400 From: Luis Henriques To: linux-kernel@vger.kernel.org, stable@vger.kernel.org, kernel-team@lists.ubuntu.com Cc: Frederic Weisbecker , Namhyung Kim , Namhyung Kim , Steven Rostedt , Luis Henriques Subject: [PATCH 082/118] tracing: Fix off-by-one on allocating stat->pages Date: Tue, 7 May 2013 14:38:48 +0100 Message-Id: <1367933964-1564-83-git-send-email-luis.henriques@canonical.com> X-Mailer: git-send-email 1.8.1.2 In-Reply-To: <1367933964-1564-1-git-send-email-luis.henriques@canonical.com> References: <1367933964-1564-1-git-send-email-luis.henriques@canonical.com> X-Extended-Stable: 3.5 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 3.5.7.12 -stable review patch. If anyone has any objections, please let me know. ------------------ From: Namhyung Kim commit 39e30cd1537937d3c00ef87e865324e981434e5b upstream. The first page was allocated separately, so no need to start from 0. Link: http://lkml.kernel.org/r/1364820385-32027-2-git-send-email-namhyung@kernel.org Cc: Frederic Weisbecker Cc: Namhyung Kim Signed-off-by: Namhyung Kim Signed-off-by: Steven Rostedt Signed-off-by: Luis Henriques --- kernel/trace/ftrace.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c index 38353bf..80b2000 100644 --- a/kernel/trace/ftrace.c +++ b/kernel/trace/ftrace.c @@ -624,7 +624,7 @@ int ftrace_profile_pages_init(struct ftrace_profile_stat *stat) pages = DIV_ROUND_UP(functions, PROFILES_PER_PAGE); - for (i = 0; i < pages; i++) { + for (i = 1; i < pages; i++) { pg->next = (void *)get_zeroed_page(GFP_KERNEL); if (!pg->next) goto out_free; -- 1.8.1.2