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From: John Hubbard <jhubbard@nvidia.com>
To: Greg KH <gregkh@linuxfoundation.org>
Cc: Minchan Kim <minchan@kernel.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	linux-mm <linux-mm@kvack.org>,
	LKML <linux-kernel@vger.kernel.org>, <surenb@google.com>,
	<joaodias@google.com>, <willy@infradead.org>
Subject: Re: [PATCH v2] mm: cma: support sysfs
Date: Tue, 9 Feb 2021 23:50:43 -0800	[thread overview]
Message-ID: <2abc0258-d71a-56f2-3682-cc178f3ce4c4@nvidia.com> (raw)
In-Reply-To: <YCOKpM9lufhD/myy@kroah.com>

On 2/9/21 11:26 PM, Greg KH wrote:
...
>> I just am not especially happy about the inability to do natural, efficient
>> things here, such as use a statically allocated set of things with sysfs. And
>> I remain convinced that the above is not "improper"; it's a reasonable
>> step, given the limitations of the current sysfs design. I just wanted to say
>> that out loud, as my proposal sinks to the bottom of the trench here. haha :)
> 
> What is "odd" is that you are creating an object in the kernel that you
> _never_ free.  That's not normal at all in the kernel, and so, your wish
> to have a kobject that you never free represent this object also is not
> normal :)
> 

OK, thanks for taking the time to explain that, much appreciated!


thanks,
-- 
John Hubbard
NVIDIA


      reply	other threads:[~2021-02-10  7:50 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-02-08 18:01 [PATCH v2] mm: cma: support sysfs Minchan Kim
2021-02-08 21:34 ` John Hubbard
2021-02-08 23:36   ` Minchan Kim
2021-02-09  1:57     ` John Hubbard
2021-02-09  4:19       ` Minchan Kim
2021-02-09  5:18         ` John Hubbard
2021-02-09  5:27           ` John Hubbard
2021-02-09  6:13       ` Greg KH
2021-02-09  6:27         ` John Hubbard
2021-02-09  6:34           ` John Hubbard
2021-02-09  6:56             ` Greg KH
2021-02-09 15:55               ` Minchan Kim
2021-02-09 17:49                 ` Greg KH
2021-02-09 20:11                   ` John Hubbard
2021-02-09 21:13                     ` Minchan Kim
2021-02-10  6:43                       ` Greg KH
2021-02-10  7:12                         ` Minchan Kim
2021-02-10  7:16                           ` John Hubbard
2021-02-10  7:26                             ` Greg KH
2021-02-10  7:50                               ` John Hubbard [this message]

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