From: Andrew Morton <akpm@linux-foundation.org>
To: Christoph Lameter <clameter@sgi.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Remove constructor from buffer_head
Date: Fri, 4 May 2007 14:47:56 -0700 [thread overview]
Message-ID: <20070504144756.90d3b41d.akpm@linux-foundation.org> (raw)
In-Reply-To: <Pine.LNX.4.64.0705041439040.25764@schroedinger.engr.sgi.com>
On Fri, 4 May 2007 14:42:02 -0700 (PDT)
Christoph Lameter <clameter@sgi.com> wrote:
> On Fri, 4 May 2007, Andrew Morton wrote:
>
> > So the patch took the average system time from 4.42 seconds up to 4.582
> > seconds. Nice slowdown!
>
> All of that from a memset and a list head init on a cacheline we already
> use?
Seems unlikely, especially when you consider all the other stuff which a write()
has to do.
next prev parent reply other threads:[~2007-05-04 21:48 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-05-04 3:08 Remove constructor from buffer_head Christoph Lameter
2007-05-04 3:21 ` Andrew Morton
2007-05-04 3:34 ` Christoph Lameter
2007-05-04 4:37 ` Andrew Morton
2007-05-04 4:34 ` Christoph Lameter
2007-05-04 6:35 ` William Lee Irwin III
2007-05-04 16:05 ` Christoph Lameter
2007-05-04 20:42 ` Andrew Morton
2007-05-04 21:33 ` Andrew Morton
2007-05-04 23:22 ` Andi Kleen
2007-05-04 23:45 ` Andrew Morton
2007-05-05 9:31 ` Andi Kleen
2007-05-13 20:38 ` oprofile broken in 2.6.21 SMP (was Re: Remove constructor from buffer_head) Benjamin LaHaise
2007-05-15 3:12 ` Andrew Morton
2007-05-04 21:42 ` Remove constructor from buffer_head Christoph Lameter
2007-05-04 21:47 ` Andrew Morton [this message]
2007-05-04 21:52 ` Chuck Ebbert
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