From: Kurt Garloff <garloff@suse.de>
To: Andrew Morton <akpm@osdl.org>
Cc: Rik van Riel <riel@redhat.com>,
davidsen@tmr.com, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] RSS ulimit enforcement for 2.6.8
Date: Tue, 10 Aug 2004 09:28:24 +0200 [thread overview]
Message-ID: <20040810072824.GA12445@tpkurt.garloff.de> (raw)
In-Reply-To: <20040805142019.712c678a.akpm@osdl.org>
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On Thu, Aug 05, 2004 at 02:20:19PM -0700, Andrew Morton wrote:
> It might not be. We could come up with some dopey per-process flag,
> inherited across fork which means "invalidate each file's pagecache when I
> close it".
Currently, we don't even have a way to explicitly drop page cache
for a file or filesystem except for umounting it.
In the old buffer cache days, BLKFLSBUF would have done it, but
that's pretty much without any effect nowadays.
So maybe you want to add the ioctl as well.
It would be useful for doagnostics and benchmarking as well.
Regards,
--
Kurt Garloff <garloff@suse.de> Cologne, DE
SUSE LINUX AG / Novell, Nuernberg, DE Director SUSE Labs
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next prev parent reply other threads:[~2004-08-10 9:51 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-08-05 17:05 [PATCH] RSS ulimit enforcement for 2.6.8 Rik van Riel
2004-08-05 20:34 ` Bill Davidsen
2004-08-05 20:49 ` Rik van Riel
2004-08-05 21:20 ` Andrew Morton
2004-08-10 7:28 ` Kurt Garloff [this message]
2004-08-08 3:09 ` Bill Davidsen
2004-08-05 22:31 ` Andrew Morton
2004-08-06 0:19 ` Rik van Riel
2004-08-06 0:36 ` Andrew Morton
2004-08-06 0:51 ` Rik van Riel
2004-08-06 0:53 ` Andrew Morton
2004-08-06 0:59 ` Rik van Riel
2004-08-06 2:22 ` Nick Piggin
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