From: Richard Henderson <rth@dot.cygnus.com>
To: Linus Torvalds <torvalds@transmeta.com>,
"Stephen C. Tweedie" <sct@redhat.com>
Cc: ganesh.sittampalam@magd.ox.ac.uk,
Virtual Memory problem report list
<linux-kernel@vger.rutgers.edu>,
mingo@valerie.inf.elte.hu, Bill Hawes <whawes@star.net>,
Alan Cox <number6@the-village.bc.nu>,
"David S. Miller" <davem@dm.cobaltmicro.com>
Subject: Re: Progress! was: Re: Yet more VM writable swap-cached pages
Date: Mon, 20 Jul 1998 04:16:30 -0700 [thread overview]
Message-ID: <19980720041630.D15377@dot.cygnus.com> (raw)
In-Reply-To: <Pine.LNX.3.96.980709174951.431E-100000@penguin.transmeta.com>; from Linus Torvalds on Thu, Jul 09, 1998 at 05:54:21PM -0700
On Thu, Jul 09, 1998 at 05:54:21PM -0700, Linus Torvalds wrote:
> It also explains why so few people saw this - PROT_NONE is not something
> that is normally used.
Actually, the glibc ld.so will create PROT_NONE regions if there is
a hole between a shared library's text and data space. E.g.
20000110000-200001d6000 r-xp 00000000000 08:02 29407 /lib/libc-2.0.7.so
200001d6000-200002d0000 ---p 000000c6000 08:02 29407 /lib/libc-2.0.7.so
200002d0000-200002e6000 rwxp 000000c0000 08:02 29407 /lib/libc-2.0.7.so
LOAD off 0x00000000 vaddr 0x00000000 paddr 0x00000000 align 2**16
filesz 0x000c48a8 memsz 0x000c48a8 flags r-x
LOAD off 0x000c48a8 vaddr 0x001c48a8 paddr 0x001c48a8 align 2**16
filesz 0x00010540 memsz 0x0001ae90 flags rwx
r~
-
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next prev parent reply other threads:[~1998-07-20 9:50 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <Pine.LNX.3.95.980709184611.6873C-100000@fishy>
1998-07-10 0:42 ` Stephen C. Tweedie
1998-07-10 0:54 ` Linus Torvalds
1998-07-20 11:16 ` Richard Henderson [this message]
1998-07-20 17:01 ` Linus Torvalds
[not found] ` <35A57732.A7B5DFF@star.net>
1998-07-10 13:34 ` Stephen C. Tweedie
[not found] <Pine.LNX.3.95.980710021356.10100A-100000@fishy>
1998-07-10 1:26 ` Linus Torvalds
1998-07-10 2:18 ` Bill Hawes
1998-07-10 2:18 ` Linus Torvalds
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