From: Changli Gao <xiaosuo@gmail.com>
To: Eric Dumazet <eric.dumazet@gmail.com>
Cc: Patrick McHardy <kaber@trash.net>, netfilter-devel@vger.kernel.org
Subject: Re: [PATCH 3/3] nfnetlink_queue: use hash table to speed up entry finding.
Date: Thu, 15 Apr 2010 16:30:50 +0800 [thread overview]
Message-ID: <h2i412e6f7f1004150130mce8f443ao25c0d87a555f544@mail.gmail.com> (raw)
In-Reply-To: <1271319790.16881.2188.camel@edumazet-laptop>
On Thu, Apr 15, 2010 at 4:23 PM, Eric Dumazet <eric.dumazet@gmail.com> wrote:
> Le jeudi 15 avril 2010 à 14:53 +0800, Changli Gao a écrit :
>> On Tue, Apr 13, 2010 at 9:25 PM, Patrick McHardy <kaber@trash.net> wrote:
>> >> Yes, that is why vmalloc() is perfect for this case. No extra memory for
>> >> management, but one pointer for each page of memory.
>> >
>> > I agree, if it works for conntrack, it certainly also works for
>> > nfnetlink_queue.
>> >
>>
>> I need to allocate memory in atomic section, so vmalloc() can't be used. :(
>>
>> does double check mechanism works?
>>
>
> Allocate memory to setup a hash table in atomic section ?
>
> Changli you can forget this right now, this is not serious.
>
> We are not going to use this thing because your requirements are crazy.
>
OK, I'll keep it myself. :)
--
Regards，
Changli Gao(xiaosuo@gmail.com)
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next prev parent reply other threads:[~2010-04-15 8:31 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-04-09 4:13 [PATCH 3/3] nfnetlink_queue: use hash table to speed up entry finding Changli Gao
2010-04-09 4:50 ` Eric Dumazet
2010-04-13 10:09 ` Patrick McHardy
2010-04-13 11:06 ` Changli Gao
2010-04-13 12:44 ` Eric Dumazet
2010-04-13 13:02 ` Changli Gao
2010-04-13 13:09 ` Changli Gao
2010-04-13 13:23 ` Eric Dumazet
2010-04-13 13:25 ` Patrick McHardy
2010-04-15 6:53 ` Changli Gao
2010-04-15 8:23 ` Eric Dumazet
2010-04-15 8:30 ` Changli Gao [this message]
2010-04-15 10:36 ` Patrick McHardy
2010-04-15 14:35 ` Changli Gao
2010-04-15 14:40 ` Patrick McHardy
2010-04-15 14:46 ` Patrick McHardy
2010-04-15 15:01 ` Changli Gao
2010-04-15 15:05 ` Patrick McHardy
2010-04-15 15:11 ` Changli Gao
2010-04-15 15:35 ` Patrick McHardy
2010-04-16 13:50 ` Changli Gao
2010-04-16 15:30 ` Patrick McHardy
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