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Re: Securely erase files cached in memory (dm_crypt)

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On Sunday 15 January 2012 23:20, Alexander Schreiber conveyed the 
following to comp.os.linux.security...

> Richard Kettlewell <rjk@greenend.org.uk> wrote:
>
>> I think you're OK on this one; AFAIK the buffer cache is not swapped.
>> (It's hard to see what the point of doing so would be.)
> 
> You may want to ask the dude at Microsoft who implemented that
> "feature" for Windows NT way back then. After the discovery of this ..
> suboptimal behaviour[0], it was IIRC fixed in later versions of
> Windows. ;-)
> 
> Kind regards,
>             Alex.
> [0] Although I suspect that someone simply forgot to mark the buffer
> [cache
>     as exempt from swapping[1].
> [1] Yes, NT _does_ swap kernel memory.

And although I don't know how things are in the current versions of 
Windows, but in the past Windows would also cache the swapfile... ;-)

-- 
= Aragorn =
(registered GNU/Linux user #223157)

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Thread

Securely erase files cached in memory (dm_crypt) bmearns <mearns.b@gmail.com> - 2012-01-08 08:53 -0800
  Re: Securely erase files cached in memory (dm_crypt) Richard Kettlewell <rjk@greenend.org.uk> - 2012-01-09 11:02 +0000
    Re: Securely erase files cached in memory (dm_crypt) bmearns <mearns.b@gmail.com> - 2012-01-09 19:04 -0800
      Re: Securely erase files cached in memory (dm_crypt) William Colls <william.colls@rogers.com> - 2012-01-09 22:47 -0500
        Re: Securely erase files cached in memory (dm_crypt) bmearns <mearns.b@gmail.com> - 2012-01-11 13:51 -0800
          Re: Securely erase files cached in memory (dm_crypt) Richard Kettlewell <rjk@greenend.org.uk> - 2012-01-11 22:09 +0000
            Re: Securely erase files cached in memory (dm_crypt) bmearns <mearns.b@gmail.com> - 2012-01-11 14:23 -0800
          Re: Securely erase files cached in memory (dm_crypt) unruh <unruh@invalid.ca> - 2012-01-12 01:54 +0000
            Re: Securely erase files cached in memory (dm_crypt) bmearns <mearns.b@gmail.com> - 2012-01-13 10:21 -0800
              Re: Securely erase files cached in memory (dm_crypt) Jim Beard <jdbeard@patriot.net> - 2012-06-14 08:51 -0400
          Re: Securely erase files cached in memory (dm_crypt) Robert Nichols <SEE_SIGNATURE@localhost.localdomain.invalid> - 2012-01-12 10:35 -0600
    Re: Securely erase files cached in memory (dm_crypt) Alexander Schreiber <als@usenet.thangorodrim.de> - 2012-01-15 23:20 +0100
      Re: Securely erase files cached in memory (dm_crypt) Aragorn <stryder@telenet.be.invalid> - 2012-01-16 00:16 +0100

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