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From: Rik van Riel <riel@redhat.com>
To: Yi Feng <yifeng@cs.umass.edu>
Cc: 'Rohit Seth' <rohit.seth@intel.com>,
	'Emery Berger' <emery@cs.umass.edu>,
	linux-mm@kvack.org, 'Andrew Morton' <akpm@osdl.org>,
	'Matthew Hertz' <hertzm@canisius.edu>
Subject: RE: [patch] vmsig: notify user applications of virtual memory events via real-time signals
Date: Wed, 23 Nov 2005 08:11:12 -0500 (EST)	[thread overview]
Message-ID: <Pine.LNX.4.63.0511230810380.5075@cuia.boston.redhat.com> (raw)
In-Reply-To: <000001c5efea$da132280$0b00a8c0@louise>

On Wed, 23 Nov 2005, Yi Feng wrote:

> When the application receives this notification and starts to process this
> page, this page will stay in core (possibly for a fairly long time) because
> it's been touched again. That's why we also added madvise(MADV_RELINQUISH)
> to explicitly send the page to swap after the processing.

Would it be better for the application to completely vacate
the page, so MADV_DONTNEED can be used instead, and swap IO
can be avoided ?

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  reply	other threads:[~2005-11-23 13:11 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-11-22 21:53 Emery Berger
2005-11-23  2:29 ` Rohit Seth
2005-11-23  5:00   ` Yi Feng
2005-11-23 13:11     ` Rik van Riel [this message]
2005-11-23 16:30       ` Yi Feng
  -- strict thread matches above, loose matches on Subject: below --
2005-11-23 13:33 Emery Berger
2005-11-22 20:54 Yi Feng
2005-11-22 21:45 ` Rik van Riel

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