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From: Andrea Arcangeli <andrea@suse.de>
To: Marcelo Tosatti <marcelo.tosatti@cyclades.com>
Cc: Ingo Molnar <mingo@elte.hu>, Linus Torvalds <torvalds@osdl.org>,
	Andrew Morton <akpm@osdl.org>,
	linux-kernel@vger.kernel.org
Subject: Re: [lockup] Re: objrmap-core-1 (rmap removal for file mappings to avoid 4:4 in <=16G machines)
Date: Tue, 16 Mar 2004 14:50:17 +0100	[thread overview]
Message-ID: <20040316135017.GX30940@dualathlon.random> (raw)
In-Reply-To: <Pine.LNX.4.44.0403160436340.1639-100000@dmt.cyclades>

On Tue, Mar 16, 2004 at 04:39:50AM -0300, Marcelo Tosatti wrote:
> What are the problems you are facing ? Yes, I could read the previous 
> posts, etc. but a nice resume is always good, for me, for others, and for 
> you :)

the primary problem of rmap is the memory consumption and the slowdown
during things like parallel compiles in 32-ways. on 32bit and 64bit
archs.

> Yes, 4:4 tlb flushing is, hum, not very cool.

and it can't help avoiding to waste several gigs of ram on the 64bit ;).

  reply	other threads:[~2004-03-16 13:54 UTC|newest]

Thread overview: 112+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-03-08 20:24 objrmap-core-1 (rmap removal for file mappings to avoid 4:4 in <=16G machines) Andrea Arcangeli
2004-03-08 20:39 ` Linus Torvalds
2004-03-08 21:23   ` Andrew Morton
2004-03-08 23:02     ` Andrea Arcangeli
2004-03-08 23:21       ` Andrew Morton
2004-03-08 23:40         ` Andrea Arcangeli
2004-03-09  0:10           ` Andrew Morton
2004-03-09  0:35             ` Andrea Arcangeli
2004-03-09  0:59               ` Andrew Morton
2004-03-09  8:31           ` Ingo Molnar
2004-03-09  8:44             ` William Lee Irwin III
2004-03-09  9:03             ` Ingo Molnar
2004-03-09 14:51               ` Andrea Arcangeli
2004-03-09 15:09                 ` Ingo Molnar
2004-03-09 15:24                   ` Andrea Arcangeli
2004-03-09 16:10                     ` Ingo Molnar
2004-03-09 16:35                       ` Andrea Arcangeli
2004-03-08 21:02 ` Andrew Morton
2004-03-08 22:34   ` Andrea Arcangeli
2004-03-09  2:46     ` Andrew Morton
2004-03-08 21:28 ` Arjan van de Ven
2004-03-08 23:08   ` Andrea Arcangeli
2004-03-09  7:47     ` Ingo Molnar
2004-03-09 15:21       ` Andrea Arcangeli
2004-03-09 15:36         ` Ingo Molnar
2004-03-09 16:33           ` Andrea Arcangeli
2004-03-09 17:23             ` Martin J. Bligh
2004-03-09 19:57             ` Ingo Molnar
2004-03-09 20:27               ` Andrea Arcangeli
2004-03-10 11:35                 ` Ingo Molnar
2004-03-10 12:32                   ` Andrea Arcangeli
2004-03-09 10:52 ` [lockup] " Ingo Molnar
2004-03-09 11:02   ` Ingo Molnar
2004-03-09 11:09     ` Andrew Morton
2004-03-09 11:49       ` Ingo Molnar
2004-03-09 12:32         ` William Lee Irwin III
2004-03-09 16:03         ` Andrea Arcangeli
2004-03-10 10:36           ` RFC anon_vma previous (i.e. full objrmap) Andrea Arcangeli
2004-03-10 10:40             ` RFC anon_vma preview " Andrea Arcangeli
2004-03-10 10:54             ` RFC anon_vma previous " Ingo Molnar
2004-03-11  6:52             ` anon_vma RFC2 Andrea Arcangeli
2004-03-11 13:23               ` Hugh Dickins
2004-03-11 13:56                 ` Andrea Arcangeli
2004-03-11 21:54                   ` Hugh Dickins
2004-03-12  1:47                     ` Andrea Arcangeli
2004-03-12  2:20                       ` Andrea Arcangeli
2004-03-12  3:28                   ` Rik van Riel
2004-03-12 12:21                     ` Andrea Arcangeli
2004-03-12 12:40                       ` Rik van Riel
2004-03-12 13:11                         ` Andrea Arcangeli
2004-03-12 16:25                           ` Rik van Riel
2004-03-12 17:13                             ` Andrea Arcangeli
2004-03-12 17:23                               ` Rik van Riel
2004-03-12 17:44                                 ` Andrea Arcangeli
2004-03-12 18:18                                   ` Rik van Riel
2004-03-12 18:25                                 ` Linus Torvalds
2004-03-12 18:48                                   ` Rik van Riel
2004-03-12 19:02                                     ` Chris Friesen
2004-03-12 19:06                                       ` Rik van Riel
2004-03-12 19:10                                         ` Chris Friesen
2004-03-12 19:14                                           ` Rik van Riel
2004-03-12 20:27                                         ` Andrea Arcangeli
2004-03-12 20:32                                           ` Rik van Riel
2004-03-12 20:49                                             ` Andrea Arcangeli
2004-03-12 21:08                                   ` Jamie Lokier
2004-03-12 12:42                       ` Andrea Arcangeli
2004-03-12 12:46                       ` William Lee Irwin III
2004-03-12 13:24                         ` Andrea Arcangeli
2004-03-12 13:40                           ` William Lee Irwin III
2004-03-12 13:55                           ` Hugh Dickins
2004-03-12 16:01                             ` Andrea Arcangeli
2004-03-12 16:17                         ` Linus Torvalds
2004-03-13  0:28                           ` William Lee Irwin III
2004-03-13 14:43                           ` Rik van Riel
2004-03-13 16:18                             ` Linus Torvalds
2004-03-13 17:24                               ` Hugh Dickins
2004-03-13 17:28                                 ` Rik van Riel
2004-03-13 17:41                                   ` Hugh Dickins
2004-03-13 18:08                                     ` Andrea Arcangeli
2004-03-13 17:54                                   ` Andrea Arcangeli
2004-03-13 17:55                                     ` Andrea Arcangeli
2004-03-13 18:57                                   ` Linus Torvalds
2004-03-13 19:14                                     ` Hugh Dickins
2004-03-13 17:48                                 ` Andrea Arcangeli
2004-03-13 17:33                               ` Andrea Arcangeli
2004-03-13 17:53                                 ` Hugh Dickins
2004-03-13 18:13                                   ` Andrea Arcangeli
2004-03-13 19:35                                     ` Hugh Dickins
2004-03-13 17:57                                 ` Rik van Riel
2004-03-12 13:43                       ` Hugh Dickins
2004-03-12 15:56                         ` Andrea Arcangeli
2004-03-12 16:12                           ` Hugh Dickins
2004-03-12 16:39                             ` Andrea Arcangeli
2004-03-11 17:33                 ` Andrea Arcangeli
2004-03-11 22:20                 ` Rik van Riel
2004-03-11 23:43                   ` Hugh Dickins
2004-03-12  3:20                     ` Rik van Riel
2004-03-09 17:22         ` [lockup] Re: objrmap-core-1 (rmap removal for file mappings to avoid 4:4 in <=16G machines) Rik van Riel
2004-03-09 17:56           ` Andrea Arcangeli
2004-03-09 15:59     ` Andrea Arcangeli
2004-03-09 16:07       ` Ingo Molnar
2004-03-09 16:08         ` Ingo Molnar
2004-03-09 16:39           ` Andrea Arcangeli
2004-03-09 19:33             ` Ingo Molnar
2004-03-09 16:39         ` Andrea Arcangeli
2004-03-09 15:41   ` Andrea Arcangeli
2004-03-15 19:47     ` Marcelo Tosatti
2004-03-15 22:00       ` Andrea Arcangeli
2004-03-16  7:39         ` Marcelo Tosatti
2004-03-16 13:50           ` Andrea Arcangeli [this message]
     [not found] <20040310080000.GA30940@dualathlon.random>
2004-03-10 13:01 ` Rik van Riel
2004-03-10 13:50   ` Andrea Arcangeli

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