From: Jesse Barnes <jbarnes@sgi.com>
To: Nick Piggin <nickpiggin@yahoo.com.au>
Cc: Andrew Morton <akpm@osdl.org>,
Andrea Arcangeli <andrea@novell.com>,
linux-kernel@vger.kernel.org
Subject: Re: ZONE_PADDING wastes 4 bytes of the new cacheline
Date: Thu, 21 Oct 2004 22:49:36 -0500 [thread overview]
Message-ID: <200410212249.36535.jbarnes@sgi.com> (raw)
In-Reply-To: <417880C3.4000807@yahoo.com.au>
On Thursday, October 21, 2004 10:38 pm, Nick Piggin wrote:
> That problem shouldn't exist any more, so your one zone per node (?)
> NUMA systems, incremental min won't have any effect at all.
Well, it used to affect us, since as the allocator iterated over nodes, the
incremental min would increase, and so by the time we hit the 3rd or so node,
we were leaving quite a bit of memory unused. I just don't want to return to
the bad old days.
> That said, it isn't something that we should just turn on and see
> who yells.
Agreed.
Thanks,
Jesse
next prev parent reply other threads:[~2004-10-22 3:52 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-10-21 1:17 ZONE_PADDING wastes 4 bytes of the new cacheline Andrea Arcangeli
2004-10-21 3:10 ` Nick Piggin
2004-10-21 4:36 ` Andrew Morton
2004-10-21 4:53 ` Nick Piggin
2004-10-21 10:51 ` Mikael Pettersson
2004-10-21 12:45 ` Andrea Arcangeli
2004-10-21 18:54 ` Adam Heath
2004-10-21 20:21 ` DaMouse
2004-10-21 21:24 ` Jon Masters
2004-10-22 10:09 ` DaMouse
2004-10-21 22:26 ` Nick Piggin
2004-10-21 22:45 ` Andrea Arcangeli
2004-10-22 0:34 ` Nick Piggin
2004-10-22 1:10 ` Andrea Arcangeli
2004-10-22 1:26 ` Andrew Morton
2004-10-22 2:55 ` Jesse Barnes
2004-10-22 3:38 ` Nick Piggin
2004-10-22 3:49 ` Jesse Barnes [this message]
2004-10-22 17:15 ` Andrea Arcangeli
2004-10-22 3:09 ` Nick Piggin
2004-10-22 3:26 ` Andrew Morton
2004-10-22 3:35 ` Nick Piggin
2004-10-22 17:13 ` Andrea Arcangeli
2004-10-22 17:07 ` Andrea Arcangeli
2004-10-22 15:50 ` Andrea Arcangeli
2004-10-22 3:02 ` Nick Piggin
2004-10-22 16:58 ` Andrea Arcangeli
2004-10-23 4:33 ` Nick Piggin
2004-10-23 9:59 ` Andrea Arcangeli
2004-10-23 10:22 ` Nick Piggin
2004-10-23 11:03 ` Andrea Arcangeli
2004-10-23 16:28 ` Nick Piggin
2004-10-25 12:44 ` Andrea Arcangeli
2004-10-25 12:49 ` Nick Piggin
2004-10-25 13:51 ` Andrea Arcangeli
2004-10-25 20:09 ` Robert White
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