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From: Manfred Spraul <manfred@colorfullife.com>
To: Ravikiran G Thirumalai <kiran@in.ibm.com>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [RFC] Reimplementation of linux dynamic percpu memory allocator
Date: Wed, 29 Dec 2004 17:33:44 +0100	[thread overview]
Message-ID: <41D2DC68.5080805@colorfullife.com> (raw)
In-Reply-To: <20041220192558.GA17194@in.ibm.com>

Ravikiran G Thirumalai wrote:

>On Mon, Dec 20, 2004 at 07:24:07PM +0100, Manfred Spraul wrote:
>  
>
>>No, not fast path. But it can happen a few thousand times. The slab 
>>implementation failed due to heavy internal fragmentation. If your code 
>>runs fine with a few thousand users, then there shouldn't be a problem.
>>    
>>
>
>  
>
Could you ask Badari Pulavarty (pbadari@us.ibm.com)?
He noticed the fragmentation problem with the original 
kmem_cache_alloc_node implementation. Perhaps he could just run your 
version with his test setup:
The thread with the fix is at:

http://marc.theaimsgroup.com/?t=109735434400002&r=1&w=2

--
    Manfred

  reply	other threads:[~2004-12-29 16:33 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-12-17 22:29 [RFC] Reimplementation of linux dynamic percpu memory allocator Manfred Spraul
2004-12-20 18:20 ` Ravikiran G Thirumalai
2004-12-20 18:24   ` Manfred Spraul
2004-12-20 19:25     ` Ravikiran G Thirumalai
2004-12-29 16:33       ` Manfred Spraul [this message]
2004-12-29 17:52         ` Ravikiran G Thirumalai
2005-01-12 18:12         ` Ravikiran G Thirumalai
  -- strict thread matches above, loose matches on Subject: below --
2004-12-17 22:03 Ravikiran G Thirumalai

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