From: Steven Rostedt <rostedt@goodmis.org>
To: linux-kernel@vger.kernel.org
Cc: Ingo Molnar <mingo@kernel.org>,
Andrew Morton <akpm@linux-foundation.org>,
Frederic Weisbecker <fweisbec@gmail.com>,
Namhyung Kim <namhyung.kim@lge.com>, <stable@vger.kernel.org>,
Namhyung Kim <namhyung@kernel.org>
Subject: [for-next][PATCH 2/7] tracing: Fix off-by-one on allocating stat->pages
Date: Fri, 19 Apr 2013 10:04:04 -0400 [thread overview]
Message-ID: <20130419140556.537659608@goodmis.org> (raw)
In-Reply-To: 20130419140402.730041313@goodmis.org
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From: Namhyung Kim <namhyung.kim@lge.com>
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 <fweisbec@gmail.com>
Cc: Namhyung Kim <namhyung.kim@lge.com>
Cc: stable@vger.kernel.org
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
---
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 548a1f7..c9f3149 100644
--- a/kernel/trace/ftrace.c
+++ b/kernel/trace/ftrace.c
@@ -676,7 +676,7 @@ 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;
--
1.7.10.4
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next prev parent reply other threads:[~2013-04-19 14:06 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-04-19 14:04 [for-next][PATCH 0/7] tracing: Various cleanups and small fixes Steven Rostedt
2013-04-19 14:04 ` [for-next][PATCH 1/7] kernel: tracing: Use strlcpy instead of strncpy Steven Rostedt
2013-04-19 14:04 ` Steven Rostedt [this message]
2013-04-19 14:04 ` [for-next][PATCH 3/7] tracing: Reset ftrace_graph_filter_enabled if count is zero Steven Rostedt
2013-04-19 14:04 ` [for-next][PATCH 4/7] tracing: Get rid of unneeded key calculation in ftrace_hash_move() Steven Rostedt
2013-04-19 14:04 ` [for-next][PATCH 5/7] tracing: Check return value of tracing_init_dentry() Steven Rostedt
2013-04-19 14:04 ` [for-next][PATCH 6/7] ftrace: Get rid of ftrace_profile_bits Steven Rostedt
2013-04-19 14:04 ` [for-next][PATCH 7/7] tracing: Remove obsolete macro guard _TRACE_PROFILE_INIT Steven Rostedt
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