Re: [patch 1/7] slab: introduce kzfree()

From: KOSAKI Motohiro
Date: Thu Feb 19 2009 - 07:13:00 EST


2009/2/19 Pekka Enberg <penberg@xxxxxxxxxxxxxx>:
> On Wed, 2009-02-18 at 10:50 +0000, David Vrabel wrote:
>> > > Johannes Weiner wrote:
>> > > > +void kzfree(const void *p)
>> > >
>> > > Shouldn't this be void * since it writes to the memory?
>> >
>> > No. kfree() writes to the memory as well to update freelists, poisoning
>> > and such so kzfree() is not at all different from it.
>
> On Thu, 2009-02-19 at 10:22 +0900, KOSAKI Motohiro wrote:
>> I don't think so. It's debetable thing.
>>
>> poisonig is transparent feature from caller.
>> but the caller of kzfree() know to fill memory and it should know.
>
> Debatable, sure, but doesn't seem like a big enough reason to make
> kzfree() differ from kfree().

Sure.
ok, I don't oppse this :)
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