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From: SeongJae Park <sj@kernel.org>
To: Xin Hao <xhao@linux.alibaba.com>
Cc: sj@kernel.org, akpm@linux-foundation.org, damon@lists.linux.dev,
	linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] mm/damon: Simply damon_ctx check in damon_sysfs_before_terminate
Date: Wed,  7 Sep 2022 16:57:26 +0000	[thread overview]
Message-ID: <20220907165726.52151-1-sj@kernel.org> (raw)
In-Reply-To: <20220907084116.62053-1-xhao@linux.alibaba.com>

Hi Xin,

Nit: I'd suggest to 's/Simply/simplify/' in the subject.

On Wed, 7 Sep 2022 16:41:16 +0800 Xin Hao <xhao@linux.alibaba.com> wrote:

> In damon_sysfs_before_terminate() func, it need to check whether
> ctx->ops.id supports 'DAMON_OPS_VADDR' or 'DAMON_OPS_FVADDR', there we
> can use damon_target_has_pid() instead.
> 
> Signed-off-by: Xin Hao <xhao@linux.alibaba.com>

Other than the above trivial nit,

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


Thanks,
SJ

> ---
>  mm/damon/sysfs.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/mm/damon/sysfs.c b/mm/damon/sysfs.c
> index 7488e27c87c3..88f208ff235d 100644
> --- a/mm/damon/sysfs.c
> +++ b/mm/damon/sysfs.c
> @@ -2309,7 +2309,7 @@ static void damon_sysfs_before_terminate(struct damon_ctx *ctx)
>  {
>  	struct damon_target *t, *next;
>  
> -	if (ctx->ops.id != DAMON_OPS_VADDR && ctx->ops.id != DAMON_OPS_FVADDR)
> +	if (!damon_target_has_pid(ctx))
>  		return;
>  
>  	mutex_lock(&ctx->kdamond_lock);
> -- 
> 2.31.0


      reply	other threads:[~2022-09-07 16:57 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-09-07  8:41 Xin Hao
2022-09-07 16:57 ` SeongJae Park [this message]

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