linux-kernel - Re: Remove constructor from buffer

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20070504144756.90d3b41d.akpm@linux-foundation.org>
Date:	Fri, 4 May 2007 14:47:56 -0700
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Christoph Lameter <clameter@....com>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: Remove constructor from buffer_head

On Fri, 4 May 2007 14:42:02 -0700 (PDT)
Christoph Lameter <clameter@....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.
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/