From: Andrew Morton <akpm@linux-foundation.org>
To: David Miller <davem@davemloft.net>
Cc: paulus@samba.org, clameter@sgi.com, linux-kernel@vger.kernel.org,
ak@suse.com, holt@sgi.com, linux-ia64@vger.kernel.org,
mpm@selenic.com
Subject: Re: [QUICKLIST 0/6] Arch independent quicklists V1
Date: Thu, 15 Mar 2007 00:39:16 -0800 [thread overview]
Message-ID: <20070315003916.8a78dd0c.akpm@linux-foundation.org> (raw)
In-Reply-To: <20070315.003118.41650094.davem@davemloft.net>
> On Thu, 15 Mar 2007 00:31:18 -0700 (PDT) David Miller <davem@davemloft.net> wrote:
> From: Andrew Morton <akpm@linux-foundation.org>
> Date: Thu, 15 Mar 2007 00:22:49 -0800
>
> > So... what would happen if sparc64 were to use neither quicklists nor
> > slab? Just grab these pages from the page allocator and clear them?
>
> The page table allocator is heavier weight than the quicklists,
> although obviously not as heavy weight as SLAB.
Spose so, although only in the case where we go into the buddy lists, I hope.
otoh, releasing a cache-hot page into the page allocator makes it available for
other use.
It'd be nice if you could run the numbers sometime, please - if it's OK then
we can remove code...
next prev parent reply other threads:[~2007-03-15 7:39 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-03-11 2:09 [QUICKLIST 0/6] Arch independent quicklists V1 Christoph Lameter
2007-03-11 2:09 ` [QUICKLIST 1/6] Extract quicklist implementation from IA64 Christoph Lameter
2007-03-11 2:09 ` [QUICKLIST 2/6] i386: quicklist support Christoph Lameter
2007-03-11 3:22 ` William Lee Irwin III
2007-03-11 2:09 ` [QUICKLIST 3/6] i386: Use standard list manipulators for pgd_list Christoph Lameter
2007-03-11 2:09 ` [QUICKLIST 4/6] x86_64: Single Quicklist Christoph Lameter
2007-03-11 7:54 ` Andi Kleen
2007-03-11 16:44 ` Christoph Lameter
2007-03-14 19:49 ` Mel Gorman
2007-03-11 2:09 ` [QUICKLIST 5/6] x86_64: Separate quicklist for pgds Christoph Lameter
2007-03-11 2:09 ` [QUICKLIST 6/6] slub: remove special casing for PAGE_SIZE slabs Christoph Lameter
2007-03-11 20:59 ` [QUICKLIST 0/6] Arch independent quicklists V1 David Miller
2007-03-12 11:12 ` Christoph Lameter
2007-03-12 11:23 ` David Miller
2007-03-12 15:52 ` Robin Holt
2007-03-12 22:51 ` David Miller
2007-03-13 0:37 ` Paul Mackerras
2007-03-13 1:38 ` Christoph Lameter
2007-03-13 2:26 ` David Miller
2007-03-13 2:32 ` David Miller
2007-03-15 8:22 ` Andrew Morton
2007-03-15 7:31 ` David Miller
2007-03-15 8:39 ` Andrew Morton [this message]
2007-03-14 0:41 ` William Lee Irwin III
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