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From: Christoph Rohland <cr@sap.com>
To: lothar.maerkle@gmx.de
Cc: linux-mm@kvack.org
Subject: Re: shmfs/tmpfs/vm-fs
Date: 07 Dec 2001 16:07:44 +0100	[thread overview]
Message-ID: <m3vgfjjcfz.fsf@linux.local> (raw)
In-Reply-To: <01120712372904.00795@hishmoom>

Hi Lothar,

On Fri, 7 Dec 2001, der erste Schuettler wrote:
> thanks for the paper but, with sysvipc, are msyncs still needed, to
> keep the shared pages in sync with the file on the tmpfs? 

Of course not. sync on tmpfs does nothing.

> You could use the same pages for all...  tmpfs ist cool, is it
> possible to change the permissions on an shared object or istead of
> shmctl IPC_RMID just use rm /de/shm/SYSVblablub?

It was possible in some 2.3 kernels, but this had to be removed with
the cleanup :-(

Greetings
		Christoph


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  reply	other threads:[~2001-12-07 15:07 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2001-12-06 15:54 shmfs/tmpfs/vm-fs der erste Schuettler
2001-12-07 10:51 ` shmfs/tmpfs/vm-fs Christoph Rohland
2001-12-07 11:37   ` shmfs/tmpfs/vm-fs der erste Schuettler
2001-12-07 15:07     ` Christoph Rohland [this message]
2001-12-08  6:39       ` shmfs/tmpfs/vm-fs H. Peter Anvin
2001-12-08  9:54         ` shmfs/tmpfs/vm-fs Christoph Rohland

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