This is a note to let you know that I've just added the patch titled ftrace: Fix the possible incorrect kernel message to the 6.0-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: ftrace-fix-the-possible-incorrect-kernel-message.patch and it can be found in the queue-6.0 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From 08948caebe93482db1adfd2154eba124f66d161d Mon Sep 17 00:00:00 2001 From: Wang Wensheng <wangwensheng4@xxxxxxxxxx> Date: Wed, 9 Nov 2022 09:44:32 +0000 Subject: ftrace: Fix the possible incorrect kernel message From: Wang Wensheng <wangwensheng4@xxxxxxxxxx> commit 08948caebe93482db1adfd2154eba124f66d161d upstream. If the number of mcount entries is an integer multiple of ENTRIES_PER_PAGE, the page count showing on the console would be wrong. Link: https://lkml.kernel.org/r/20221109094434.84046-2-wangwensheng4@xxxxxxxxxx Cc: <mhiramat@xxxxxxxxxx> Cc: <mark.rutland@xxxxxxx> Cc: stable@xxxxxxxxxxxxxxx Fixes: 5821e1b74f0d0 ("function tracing: fix wrong pos computing when read buffer has been fulfilled") Signed-off-by: Wang Wensheng <wangwensheng4@xxxxxxxxxx> Signed-off-by: Steven Rostedt (Google) <rostedt@xxxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- kernel/trace/ftrace.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/kernel/trace/ftrace.c +++ b/kernel/trace/ftrace.c @@ -7394,7 +7394,7 @@ void __init ftrace_init(void) } pr_info("ftrace: allocating %ld entries in %ld pages\n", - count, count / ENTRIES_PER_PAGE + 1); + count, DIV_ROUND_UP(count, ENTRIES_PER_PAGE)); ret = ftrace_process_locs(NULL, __start_mcount_loc, Patches currently in stable-queue which might be from wangwensheng4@xxxxxxxxxx are queue-6.0/ftrace-optimize-the-allocation-for-mcount-entries.patch queue-6.0/ftrace-fix-the-possible-incorrect-kernel-message.patch