From: Valerie Henson <val_henson@linux.intel.com>
To: Nick Piggin <nickpiggin@yahoo.com.au>
Cc: Ulrich Drepper <drepper@redhat.com>,
Blaisorblade <blaisorblade@yahoo.it>,
Andrew Morton <akpm@osdl.org>,
linux-kernel@vger.kernel.org,
Linux Memory Management <linux-mm@kvack.org>,
Arjan van de Ven <arjan@linux.intel.com>
Subject: Re: [patch 00/14] remap_file_pages protection support
Date: Sat, 13 May 2006 15:54:43 -0700 [thread overview]
Message-ID: <20060513225442.GE9612@goober> (raw)
In-Reply-To: <20060513181945.GC9612@goober>
On Sat, May 13, 2006 at 11:19:46AM -0700, Valerie Henson wrote:
> The original program mmapped everything with the same permissions and
> no alignment restrictions, so all the mmaps were coalesced into one.
> This version alternates PROT_WRITE permissions on the mmap'd areas
> after they are written, so you get lots of vma's:
... Which is of course exactly the case that Blaisorblade's patches
should coalesce into one vma. So I wrote another option which uses
holes instead - takes more memory initially, unfortunately. Grab it
from:
http://www.nmt.edu/~val/patches/ebizzy.tar.gz
-p for preventing coaelescing via protections, -P for preventing via
holes.
-VAL
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next prev parent reply other threads:[~2006-05-13 22:54 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20060430172953.409399000@zion.home.lan>
2006-05-02 3:45 ` [patch 00/14] remap_file_pages protection support Nick Piggin
2006-05-02 3:56 ` Nick Piggin
2006-05-02 11:24 ` Ingo Molnar
2006-05-02 12:19 ` Nick Piggin
2006-05-02 17:16 ` Lee Schermerhorn
2006-05-03 1:20 ` Blaisorblade
2006-05-03 14:35 ` Lee Schermerhorn
2006-05-03 0:25 ` Blaisorblade
2006-05-06 16:05 ` Ulrich Drepper
2006-05-07 4:22 ` Nick Piggin
2006-05-13 14:13 ` Nick Piggin
2006-05-13 18:19 ` Valerie Henson
2006-05-13 22:54 ` Valerie Henson [this message]
2006-05-16 13:30 ` Nick Piggin
2006-05-16 13:51 ` Andreas Mohr
2006-05-16 16:31 ` Valerie Henson
2006-05-16 16:47 ` Andreas Mohr
2006-05-17 3:25 ` Nick Piggin
2006-05-17 6:10 ` Blaisorblade
2006-05-16 16:33 ` Valerie Henson
2006-05-03 0:44 ` Blaisorblade
2006-05-06 9:06 ` Nick Piggin
2006-05-06 15:26 ` Ulrich Drepper
[not found] ` <20060430173025.752423000@zion.home.lan>
2006-05-02 3:53 ` [patch 11/14] remap_file_pages protection support: pte_present should not trigger on PTE_FILE PROTNONE ptes Nick Piggin
2006-05-03 1:29 ` Blaisorblade
2006-05-06 10:03 ` Nick Piggin
2006-05-07 17:50 ` Blaisorblade
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