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  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]
Date:	Thu, 19 Jun 2014 10:34:58 -0400
From:	Tejun Heo <tj@...nel.org>
To:	Christoph Lameter <cl@...two.org>
Cc:	Rasmus Villemoes <linux@...musvillemoes.dk>, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] mm: percpu: micro-optimize round-to-even

On Thu, Jun 19, 2014 at 09:29:52AM -0500, Christoph Lameter wrote:
> > > -	if (unlikely(size & 1))
> > > -		size++;
> > > +	size += size & 1;
> >
> > I'm not gonna apply this.  This isn't that hot a path.  It's not
> > worthwhile to micro optimize code like this.
> 
> Dont we have an ALIGN() macro for this?

Indeed, a patch?

-- 
tejun
--
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/

Powered by blists - more mailing lists