Re: [PATCH v5] hashtable: introduce a small and naive hashtable

From: Matthias Diener
Date: Sat Sep 15 2012 - 19:10:07 EST


Sasha Levin (levinsasha928 <at> gmail.com) wrote:
>On Sat, Sep 15, 2012 at 5:14 PM, Mathieu Desnoyers
><mathieu.desnoyers <at> efficios.com> wrote:
>> * Sasha Levin (levinsasha928 <at> gmail.com) wrote:
[...]
>>> +#define hash_init(hashtable) \
>>> +({ \
>>> + int __i; \
>>> + \
>>> + for (__i = 0; __i < HASH_BITS(hashtable); __i++) \
>>
>> I think this fails to initialize the whole table. You'd need
>>
>> HASH_BITS -> HASH_SIZE
>
>Right.
>
>Unfortunately it's pretty hard catching something like this :/
>
>> Which brings the following question: how did you test this code ? It
>> would be nice to have a small test module along with this patchset that
>> stress-tests this simple hash table in various configurations (on stack,
>> in data, etc).
>
>I do two things:
>
> - A small userspace test (since this header works just fine from
>userspace as well).


It would be interesting to run some experiments with this hashtable in
userspace.
Could you post the test code here?

Thanks,
Matthias
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