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Re: [PATCH][RFC] slub: increasing order reduces memory usage of some key caches

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From: Christoph Lameter <cl@...>
To: Richard Kennedy <richard@...>
Cc: <penberg@...>, <mpm@...>, linux-mm <linux-mm@...>, lkml <linux-kernel@...>, Mel Gorman <mel@...>
Subject: Re: [PATCH][RFC] slub: increasing order reduces memory usage of some key caches
Date: Wednesday, July 16, 2008 - 10:03 am

Richard Kennedy wrote:


19 objects with an order 1 alloc and 208 byte size? Urgh. 8192/208 = 39 and not 19.

Kmemcheck or something else active? We seem to be loosing 50% of our memory.

Pekka: Is the slabinfo emulation somehow broken?

I'd really like to see the output of slabinfo dentry.


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Messages in current thread:
[PATCH][RFC] slub: increasing order reduces memory usage of ..., Richard Kennedy, (Wed Jul 16, 8:29 am)
Re: [PATCH][RFC] slub: increasing order reduces memory usage..., Christoph Lameter, (Wed Jul 16, 11:52 am)
Re: [PATCH][RFC] slub: increasing order reduces memory usage..., Christoph Lameter, (Wed Jul 16, 9:21 am)
Re: [PATCH][RFC] slub: increasing order reduces memory usage..., Mel Gorman, (Wed Jul 16, 3:52 pm)
Re: [PATCH][RFC] slub: increasing order reduces memory usage..., Richard Kennedy, (Thu Jul 17, 5:48 am)
Re: [PATCH][RFC] slub: increasing order reduces memory usage..., Richard Kennedy, (Wed Jul 16, 9:58 am)
Re: [PATCH][RFC] slub: increasing order reduces memory usage..., Christoph Lameter, (Wed Jul 16, 10:03 am)
Re: [PATCH][RFC] slub: increasing order reduces memory usage..., Richard Kennedy, (Fri Jul 18, 5:57 am)
Re: [PATCH][RFC] slub: increasing order reduces memory usage..., Christoph Lameter, (Fri Jul 18, 10:20 am)
Re: [PATCH][RFC] slub: increasing order reduces memory usage..., Richard Kennedy, (Fri Jul 18, 10:42 am)
Re: [PATCH][RFC] slub: increasing order reduces memory usage..., Christoph Lameter, (Fri Jul 18, 10:55 am)
Re: [PATCH][RFC] slub: increasing order reduces memory usage..., Richard Kennedy, (Fri Jul 18, 11:22 am)
Re: [PATCH][RFC] slub: increasing order reduces memory usage..., Christoph Lameter, (Fri Jul 18, 1:13 pm)
Re: [PATCH][RFC] slub: increasing order reduces memory usage..., Christoph Lameter, (Fri Jul 18, 10:17 am)
Re: [PATCH][RFC] slub: increasing order reduces memory usage..., Richard Kennedy, (Wed Jul 16, 10:30 am)
Re: [PATCH][RFC] slub: increasing order reduces memory usage..., Vegard Nossum, (Wed Jul 16, 10:33 am)
Re: [PATCH][RFC] slub: increasing order reduces memory usage..., Christoph Lameter, (Wed Jul 16, 10:46 am)