Messages in this thread |  | | Date | Mon, 8 Feb 2021 20:19:02 -0800 | From | Minchan Kim <> | Subject | Re: [PATCH v2] mm: cma: support sysfs |
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On Mon, Feb 08, 2021 at 05:57:17PM -0800, John Hubbard wrote: > On 2/8/21 3:36 PM, Minchan Kim wrote: > ... > > > > char name[CMA_MAX_NAME]; > > > > +#ifdef CONFIG_CMA_SYSFS > > > > + struct cma_stat *stat; > > > > > > This should not be a pointer. By making it a pointer, you've added a bunch of pointless > > > extra code to the implementation. > > > > Originally, I went with the object lifetime with struct cma as you > > suggested to make code simple. However, Greg KH wanted to have > > release for kobj_type since it is consistent with other kboject > > handling. > > Are you talking about the kobj in your new struct cma_stat? That seems > like circular logic if so. I'm guessing Greg just wanted kobj methods > to be used *if* you are dealing with kobjects. That's a narrower point. > > I can't imagine that he would have insisted on having additional > allocations just so that kobj freeing methods could be used. :)
I have no objection if Greg agree static kobject is okay in this case. Greg?
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