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From: Christoph Lameter <clameter@engr.sgi.com>
To: Ravikiran G Thirumalai <kiran@scalex86.org>
Cc: Andrew Morton <akpm@osdl.org>,
	linux-mm@kvack.org, manfred@colorfullife.com,
	Alok Kataria <alokk@calsoftinc.com>
Subject: Re: [patch 1/3] mm: NUMA slab -- add alien cache drain statistics
Date: Tue, 29 Nov 2005 09:57:58 -0800 (PST)	[thread overview]
Message-ID: <Pine.LNX.4.62.0511290954010.14722@schroedinger.engr.sgi.com> (raw)
In-Reply-To: <20051129085049.GA3573@localhost.localdomain>

On Tue, 29 Nov 2005, Ravikiran G Thirumalai wrote:

> NUMA slab allocator frees remote objects to a local alien cache.
> But if the local alien cache is full, the alien cache
> is drained directly to the remote node.
> 
> This patch adds a statistics counter which is incremented everytime the 
> local alien cache is full and we have to drain it to the remote nodes list3.
> 
> This will be useful when we can dynamically tune the alien cache limit.  
> Currently, the alien cache limit is fixed at 12.

It may be best to first enable the basic manual tuning. See 
slabinfo_write.

How would you propose to determine the length?

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  parent reply	other threads:[~2005-11-29 17:57 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-11-29  8:50 Ravikiran G Thirumalai
2005-11-29  8:53 ` [patch 2/3] mm: NUMA slab -- node local memory for off slab slab descriptors Ravikiran G Thirumalai
2005-11-29 17:48   ` Christoph Lameter
2005-11-29  8:54 ` [patch 3/3] mm: NUMA slab -- minor optimizations Ravikiran G Thirumalai
2005-11-29 17:53   ` Christoph Lameter
2005-12-26 23:42   ` Manfred Spraul
2005-12-27 20:35     ` Christoph Lameter
2005-11-29  9:25 ` [patch 1/3] mm: NUMA slab -- add alien cache drain statistics Andrew Morton
2005-11-29 17:57 ` Christoph Lameter [this message]
2005-11-29 18:49   ` Ravikiran G Thirumalai

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