Messages in this thread | | | Date | Thu, 13 Jun 2013 11:13:23 +0800 | From | Li Zefan <> | Subject | Re: [PATCH 04/11] cgroup: use kzalloc() and list_del_init() |
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On 2013/6/13 10:38, Kent Overstreet wrote: > On Thu, Jun 13, 2013 at 10:36:40AM +0800, Li Zefan wrote: >> On 2013/6/13 5:03, Tejun Heo wrote: >>> There's no point in using kmalloc() and list_del() instead of the >>> clearing variants for trivial stuff. We can live dangerously >>> elsewhere. Use kzalloc() and list_del_init() instead and drop 0 >>> inits. >>> >> >> Do you mean we prefer list_del_init() than list_del() in general? Then >> in which cases do we prefer list_del()? > > IMO, list_del() is preferred when the object shouldn't be reused (i.e. > it gets taken off a list and then it's freed).
yeah, this is what I have in my mind. I would wonder why list_del_init() if I know that object won't be used anymore.
> list_del_init() could > hide bugs. >
Same here. I do worry a bit about this.
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