From: Christoph Lameter <clameter@sgi.com>
To: Nick Piggin <nickpiggin@yahoo.com.au>
Cc: akpm@osdl.org, Peter Zijlstra <a.p.zijlstra@chello.nl>,
linux-mm@kvack.org, Nikita Danilov <nikita@clusterfs.com>,
Andi Kleen <ak@suse.de>
Subject: Re: [RFC 0/8] Use ZVCs for accurate writeback ratio determination
Date: Fri, 26 Jan 2007 07:49:12 -0800 (PST) [thread overview]
Message-ID: <Pine.LNX.4.64.0701260745030.6141@schroedinger.engr.sgi.com> (raw)
In-Reply-To: <45B9F26D.5090107@yahoo.com.au>
On Fri, 26 Jan 2007, Nick Piggin wrote:
> So you no longer account for reclaimable slab allocations, which
> would be a significant change on some workloads. Any reason for
> that?
We could add NR_SLAB_RECLAIMABLE if that is a factor. However,
these pages cannot be dirtied. They may be reclaimed yes and then pages
may become available again. However, that is a difficult process without
slab defrag. Are you sure that these are significant?
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next prev parent reply other threads:[~2007-01-26 15:49 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-01-26 5:41 [RFC 0/8] Use ZVCs for accurate writeback ratio determination Christoph Lameter
2007-01-26 5:41 ` [RFC 1/8] Use ZVC for inactive and active counts Christoph Lameter
2007-01-26 5:42 ` [RFC 2/8] Use ZVC for free_pages Christoph Lameter
2007-01-26 5:42 ` [RFC 3/8] Reorder ZVCs according to cacheline Christoph Lameter
2007-01-26 5:42 ` [RFC 4/8] Drop free_pages() Christoph Lameter
2007-01-26 5:42 ` [RFC 5/8] Drop nr_free_pages_pgdat() Christoph Lameter
2007-01-26 5:42 ` [RFC 6/8] Drop __get_zone_counts() Christoph Lameter
2007-01-26 5:42 ` [RFC 7/8] Drop get_zone_counts() Christoph Lameter
2007-01-26 5:42 ` [RFC 8/8] Fix writeback calculation Christoph Lameter
2007-01-26 12:22 ` [RFC 0/8] Use ZVCs for accurate writeback ratio determination Nick Piggin
2007-01-26 15:49 ` Christoph Lameter [this message]
2007-01-29 2:40 ` Nick Piggin
2007-01-29 16:56 ` Christoph Lameter
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