All of lore.kernel.org
 help / color / mirror / Atom feed
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

  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

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=200410212249.36535.jbarnes@sgi.com \
    --to=jbarnes@sgi.com \
    --cc=akpm@osdl.org \
    --cc=andrea@novell.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=nickpiggin@yahoo.com.au \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.