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From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: torvalds@transmeta.com (Linus Torvalds)
Cc: jakub@redhat.com (Jakub Jelinek),
	andrea@suse.de (Andrea Arcangeli),
	david_luyer@pacific.net.au (David Luyer),
	linux-kernel@vger.kernel.org, davem@redhat.com (David S. Miller)
Subject: Re: /proc/<n>/maps growing...
Date: Mon, 6 Aug 2001 18:26:52 +0100 (BST)	[thread overview]
Message-ID: <E15To9U-0001PL-00@the-village.bc.nu> (raw)
In-Reply-To: <Pine.LNX.4.33.0108061015450.8972-100000@penguin.transmeta.com> from "Linus Torvalds" at Aug 06, 2001 10:17:02 AM

> > Even worse, it means people not using -ac kernels cannot malloc a lot of
> > memory but by recompiling the kernel.
> 
> Hey guys. Let's calm down a bit, and look at the problem.
> 
> Why the hell is glibc doing something so stupid in the first place? Yes,
> we can work around it, but it sounds like the glibc apporoach is slow and
> stupid even if we _did_ work around it. Mind explaining what the logic of
> "fixing" the kernel is?

Its two problems

1.	mprotect not doing the right resource checks
2.	mprotect not doing the simple merges

The resource one is a kernel problem. I am curious why only specific apps
trip the second case

  reply	other threads:[~2001-08-06 17:25 UTC|newest]

Thread overview: 29+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2001-08-06  6:41 David Luyer
2001-08-06  7:43 ` Chris Wedgwood
2001-08-06  8:59 ` Andrea Arcangeli
2001-08-06 10:30   ` Jakub Jelinek
2001-08-06 10:49     ` Andrea Arcangeli
2001-08-06 11:01       ` Jakub Jelinek
2001-08-06 11:25         ` Andrea Arcangeli
2001-08-06 17:17         ` Linus Torvalds
2001-08-06 17:26           ` Alan Cox [this message]
2001-08-06 22:55             ` Chris Wedgwood
2001-08-06 11:16       ` Jakub Jelinek
2001-08-06 17:18       ` Linus Torvalds
2001-08-06  9:20 ` David S. Miller
2001-08-06  9:46   ` Chris Wedgwood
2001-08-06 10:57   ` Andrea Arcangeli
2001-08-06 12:26     ` Chris Wedgwood
2001-08-06 12:36       ` Andrea Arcangeli
2001-08-06 12:45         ` Chris Wedgwood
2001-08-06 12:50           ` Andrea Arcangeli
2001-08-06 13:06           ` David S. Miller
2001-08-06 13:29             ` Andrea Arcangeli
2001-08-06 17:27               ` Linus Torvalds
2001-09-03 15:44                 ` mmap-rb-7 [was Re: /proc/<n>/maps growing...] Andrea Arcangeli
2001-08-06 17:20         ` /proc/<n>/maps growing Linus Torvalds
2001-08-07  2:24           ` David Luyer
2001-08-06 17:46         ` Anton Altaparmakov
2001-08-06 16:12   ` Rik van Riel
2001-08-06 17:46     ` Linus Torvalds
2001-08-07  3:46 Rick Hohensee

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