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
WARNING: multiple messages have this Message-ID (diff)
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
--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@kvack.org. For more info on Linux MM,
see: http://www.linux-mm.org/ .
Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>
next prev parent reply other threads:[~2006-05-13 22:55 UTC|newest]
Thread overview: 70+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-04-30 17:29 [patch 00/14] remap_file_pages protection support blaisorblade
2006-04-30 17:29 ` [patch 01/14] Fix comment about remap_file_pages blaisorblade
2006-04-30 17:29 ` [patch 02/14] remap_file_pages protection support: add needed macros blaisorblade
2006-04-30 17:29 ` [patch 03/14] remap_file_pages protection support: handle MANYPROTS VMAs blaisorblade
2006-04-30 17:29 ` [patch 04/14] remap_file_pages protection support: disallow mprotect() on manyprots mappings blaisorblade
2006-04-30 17:29 ` [patch 05/14] remap_file_pages protection support: cleanup syscall checks blaisorblade
2006-04-30 17:29 ` [patch 06/14] remap_file_pages protection support: enhance syscall interface blaisorblade
2006-04-30 17:30 ` [patch 07/14] remap_file_pages protection support: support private vma for MAP_POPULATE blaisorblade
2006-04-30 17:30 ` [patch 08/14] remap_file_pages protection support: use FAULT_SIGSEGV for protection checking blaisorblade
2006-04-30 17:30 ` [patch 09/14] remap_file_pages protection support: fix race condition with concurrent faults on same address space blaisorblade
2006-04-30 17:30 ` [patch 10/14] remap_file_pages protection support: fix get_user_pages() on VM_MANYPROTS vmas blaisorblade
2006-04-30 17:30 ` [patch 11/14] remap_file_pages protection support: pte_present should not trigger on PTE_FILE PROTNONE ptes blaisorblade
2006-05-02 3:53 ` Nick Piggin
2006-05-02 3:53 ` Nick Piggin
2006-05-03 1:29 ` Blaisorblade
2006-05-03 1:29 ` Blaisorblade
2006-05-06 10:03 ` Nick Piggin
2006-05-06 10:03 ` Nick Piggin
2006-05-07 17:50 ` Blaisorblade
2006-05-07 17:50 ` Blaisorblade
2006-04-30 17:30 ` [patch 12/14] remap_file_pages protection support: also set VM_NONLINEAR on nonuniform VMAs blaisorblade
2006-04-30 17:30 ` [patch 13/14] remap_file_pages protection support: uml, i386, x64 bits blaisorblade
2006-04-30 17:30 ` [patch 14/14] remap_file_pages protection support: adapt to uml peculiarities blaisorblade
2006-05-02 3:45 ` [patch 00/14] remap_file_pages protection support Nick Piggin
2006-05-02 3:45 ` Nick Piggin
2006-05-02 3:56 ` Nick Piggin
2006-05-02 3:56 ` Nick Piggin
2006-05-02 11:24 ` Ingo Molnar
2006-05-02 11:24 ` Ingo Molnar
2006-05-02 12:19 ` Nick Piggin
2006-05-02 12:19 ` Nick Piggin
2006-05-02 17:16 ` Lee Schermerhorn
2006-05-02 17:16 ` Lee Schermerhorn
2006-05-03 1:20 ` Blaisorblade
2006-05-03 1:20 ` Blaisorblade
2006-05-03 14:35 ` Lee Schermerhorn
2006-05-03 14:35 ` Lee Schermerhorn
2006-05-03 0:25 ` Blaisorblade
2006-05-03 0:25 ` Blaisorblade
2006-05-06 16:05 ` Ulrich Drepper
2006-05-07 4:22 ` Nick Piggin
2006-05-07 4:22 ` Nick Piggin
2006-05-13 14:13 ` Nick Piggin
2006-05-13 18:19 ` Valerie Henson
2006-05-13 18:19 ` Valerie Henson
2006-05-13 22:54 ` Valerie Henson [this message]
2006-05-13 22:54 ` Valerie Henson
2006-05-16 13:30 ` Nick Piggin
2006-05-16 13:30 ` Nick Piggin
2006-05-16 13:51 ` Andreas Mohr
2006-05-16 13:51 ` Andreas Mohr
2006-05-16 16:31 ` Valerie Henson
2006-05-16 16:31 ` Valerie Henson
2006-05-16 16:47 ` Andreas Mohr
2006-05-16 16:47 ` Andreas Mohr
2006-05-17 3:25 ` Nick Piggin
2006-05-17 3:25 ` Nick Piggin
2006-05-17 6:10 ` Blaisorblade
2006-05-17 6:10 ` Blaisorblade
2006-05-16 16:33 ` Valerie Henson
2006-05-16 16:33 ` Valerie Henson
2006-05-03 0:44 ` Blaisorblade
2006-05-03 0:44 ` Blaisorblade
2006-05-06 9:06 ` Nick Piggin
2006-05-06 9:06 ` Nick Piggin
2006-05-06 15:26 ` Ulrich Drepper
2006-05-02 10:21 ` Arjan van de Ven
2006-05-02 23:46 ` Valerie Henson
2006-05-03 0:26 ` Blaisorblade
2006-05-03 1:44 ` Ulrich Drepper
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=20060513225442.GE9612@goober \
--to=val_henson@linux.intel.com \
--cc=akpm@osdl.org \
--cc=arjan@linux.intel.com \
--cc=blaisorblade@yahoo.it \
--cc=drepper@redhat.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.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.