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Date:   Sun, 10 Oct 2021 17:45:55 -0400
From:   Steven Rostedt <rostedt@...dmis.org>
To:     Gang Li <ligang.bdlg@...edance.com>
Cc:     mingo@...hat.com, akpm@...ux-foundation.org, vbabka@...e.cz,
        axelrasmussen@...gle.com, linux-kernel@...r.kernel.org,
        linux-mm@...ck.org
Subject: Re: [PATCH v2 1/2] mm: mmap_lock: remove redundant "\n" in
 TP_printk

On Sat,  9 Oct 2021 15:11:05 +0800
Gang Li <ligang.bdlg@...edance.com> wrote:

> Ftrace core will add "\n" automatically on print. "\n" in TP_printk
> will create blank line, so remove it.
> 

Yes, thank you!

Reviewed-by: Steven Rostedt (VMware) <rostedt@...dmis.org>

-- Steve

> Signed-off-by: Gang Li <ligang.bdlg@...edance.com>
> ---
>  include/trace/events/mmap_lock.h | 6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/include/trace/events/mmap_lock.h b/include/trace/events/mmap_lock.h
> index 0abff67b96f0..5f980c92e3e9 100644
> --- a/include/trace/events/mmap_lock.h
> +++ b/include/trace/events/mmap_lock.h
> @@ -32,7 +32,7 @@ TRACE_EVENT_FN(mmap_lock_start_locking,
>  	),
>  
>  	TP_printk(
> -		"mm=%p memcg_path=%s write=%s\n",
> +		"mm=%p memcg_path=%s write=%s",
>  		__entry->mm,
>  		__get_str(memcg_path),
>  		__entry->write ? "true" : "false"
> @@ -63,7 +63,7 @@ TRACE_EVENT_FN(mmap_lock_acquire_returned,
>  	),
>  
>  	TP_printk(
> -		"mm=%p memcg_path=%s write=%s success=%s\n",
> +		"mm=%p memcg_path=%s write=%s success=%s",
>  		__entry->mm,
>  		__get_str(memcg_path),
>  		__entry->write ? "true" : "false",
> @@ -92,7 +92,7 @@ TRACE_EVENT_FN(mmap_lock_released,
>  	),
>  
>  	TP_printk(
> -		"mm=%p memcg_path=%s write=%s\n",
> +		"mm=%p memcg_path=%s write=%s",
>  		__entry->mm,
>  		__get_str(memcg_path),
>  		__entry->write ? "true" : "false"

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