Date: Thu, 29 Jul 1999 10:56:24 -0700 From: Jason Thorpe <thorpej@nas.nasa.gov> To: Matthew Dillon <dillon@apollo.backplane.com> Cc: "Daniel C. Sobral" <dcs@newsguy.com>, hackers@FreeBSD.ORG Subject: Re: MADV_SEQUENTIAL and GNU Grep Message-ID: <199907291756.KAA00408@lestat.nas.nasa.gov>
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On Thu, 29 Jul 1999 10:52:02 -0700 (PDT)
Matthew Dillon <dillon@apollo.backplane.com> wrote:
> Yes, we already do this, but only for OBJT_DEFAULT and OBJT_SWAP objects.
> We do not do this for file objects... it would make me rather nervous
> if we did :-)
Why? I can think of at least one instance where this is useful: using
a file in the file system as a shared memory handle.
Seems as if the programmer erroneously MADV_FREE's a file, well ... you
only supplied the rope.
-- Jason R. Thorpe <thorpej@nas.nasa.gov>
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