linux-kernel - Re: [for-linus][PATCH 2/2] tracing: Fix wasted memory in saved

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Message-ID: <20240209060814.4a75e4cd@rorschach.local.home>
Date: Fri, 9 Feb 2024 06:08:14 -0500
From: Steven Rostedt <rostedt@...dmis.org>
To: linux-kernel@...r.kernel.org
Cc: Masami Hiramatsu <mhiramat@...nel.org>, Mark Rutland
 <mark.rutland@....com>, Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
 Andrew Morton <akpm@...ux-foundation.org>, stable@...r.kernel.org, Vincent
 Donnefort <vdonnefort@...gle.com>, Sven Schnelle <svens@...ux.ibm.com>,
 Mete Durlu <meted@...ux.ibm.com>
Subject: Re: [for-linus][PATCH 2/2] tracing: Fix wasted memory in
 saved_cmdlines logic

On Fri, 09 Feb 2024 05:22:22 -0500
Steven Rostedt <rostedt@...dmis.org> wrote:

>  	s->map_cmdline_to_pid = kmalloc_array(val,
>  					      sizeof(*s->map_cmdline_to_pid),
>  					      GFP_KERNEL);
> -	if (!s->map_cmdline_to_pid)
> -		return -ENOMEM;
> -

The above was accidentally removed. Putting it back (with an update for
the new algorithm) and retesting now.

-- Steve