From: Andi Kleen <ak@suse.de>
To: Hugh Dickins <hugh@veritas.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: 2.6.9 PageAnon bug
Date: 20 Oct 2004 21:27:39 +0200 [thread overview]
Message-ID: <p738ya1yytw.fsf@verdi.suse.de> (raw)
In-Reply-To: <Pine.LNX.4.44.0410201542140.9192-100000@localhost.localdomain.suse.lists.linux.kernel>
Hugh Dickins <hugh@veritas.com> writes:
> But what does "aligned(2)" or "aligned(4)" do on 64-bit machines -
> any danger of it aligning stupidly? I think not, but know little.
It will align stupidly.
This means on x86-64 i don't care too much because the misalignment
penalty on K8 is only 1 cycle and not that much worse on P4, but
others may care more.
-Andi
next parent reply other threads:[~2004-10-20 19:39 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <BFECAF9E178F144FAEF2BF4CE739C66818F59A@exmail1.se.axis.com.suse.lists.linux.kernel>
[not found] ` <Pine.LNX.4.44.0410201542140.9192-100000@localhost.localdomain.suse.lists.linux.kernel>
2004-10-20 19:27 ` Andi Kleen [this message]
2004-10-20 19:54 ` 2.6.9 PageAnon bug Hugh Dickins
[not found] <BFECAF9E178F144FAEF2BF4CE739C66801960A13@exmail1.se.axis.com>
2004-10-20 15:21 ` Mikael Starvik
2004-10-20 18:15 ` Hugh Dickins
2004-10-20 14:13 Mikael Starvik
2004-10-20 15:01 ` Hugh Dickins
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