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From:   SeongJae Park <sj@kernel.org>
Cc:     changbin.du@gmail.com, mm-commits@vger.kernel.org, sjpark@amazon.de
Subject: Re: + mm-damon-remove-unnecessary-do_exit-from-kdamond.patch added to -mm tree
Date:   Tue, 28 Sep 2021 07:23:14 +0000
Message-Id: <20210928072314.14788-1-sj@kernel.org>
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> 
> The patch titled
>      Subject: mm/damon: remove unnecessary do_exit() from kdamond
> has been added to the -mm tree.  Its filename is
>      mm-damon-remove-unnecessary-do_exit-from-kdamond.patch
> 
> This patch should soon appear at
>     https://ozlabs.org/~akpm/mmots/broken-out/mm-damon-remove-unnecessary-do_exit-from-kdamond.patch
> and later at
>     https://ozlabs.org/~akpm/mmotm/broken-out/mm-damon-remove-unnecessary-do_exit-from-kdamond.patch
> 
> Before you just go and hit "reply", please:
>    a) Consider who else should be cc'ed
>    b) Prefer to cc a suitable mailing list as well
>    c) Ideally: find the original patch on the mailing list and do a
>       reply-to-all to that, adding suitable additional cc's
> 
> *** Remember to use Documentation/process/submit-checklist.rst when testing your code ***
> 
> The -mm tree is included into linux-next and is updated
> there every 3-4 working days
> 
> ------------------------------------------------------
> From: Changbin Du <changbin.du@gmail.com>
> Subject: mm/damon: remove unnecessary do_exit() from kdamond
> 
> Just return from the kthread function.
> 
> Link: https://lkml.kernel.org/r/20210927232421.17694-1-changbin.du@gmail.com
> Signed-off-by: Changbin Du <changbin.du@gmail.com>
> Cc: SeongJae Park <sjpark@amazon.de>
> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

Reviewed-by: SeongJae Park <sj@kernel.org>


Thanks,
SJ

> ---
> 
>  mm/damon/core.c |    2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> --- a/mm/damon/core.c~mm-damon-remove-unnecessary-do_exit-from-kdamond
> +++ a/mm/damon/core.c
> @@ -714,7 +714,7 @@ static int kdamond_fn(void *data)
>  	nr_running_ctxs--;
>  	mutex_unlock(&damon_lock);
>  
> -	do_exit(0);
> +	return 0;
>  }
>  
>  #include "core-test.h"
> _
> 
> Patches currently in -mm which might be from changbin.du@gmail.com are
> 
> mm-damon-remove-unnecessary-do_exit-from-kdamond.patch
> mm-damon-neednt-hold-kdamond_lock-to-print-pid-of-kdamond.patch