From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: davidm@hpl.hp.com
Cc: linux-kernel@vger.kernel.org
Subject: Re: MAP_NORESERVE with MAP_SHARED
Date: 12 Jul 2002 23:15:02 +0100 [thread overview]
Message-ID: <1026512102.9915.22.camel@irongate.swansea.linux.org.uk> (raw)
In-Reply-To: <200207122039.g6CKdnV3004060@napali.hpl.hp.com>
On Fri, 2002-07-12 at 21:39, David Mosberger wrote:
> Is there a good reason why the MAP_NORESERVE flag is ignored when
> MAP_SHARED is specified? (Hint: it's the call to vm_enough_memory()
> in shmem_file_setup() that's causing MAP_NORESERVE to be ignored.)
In no overcommit mode MAP_NORESERVE is never honoured. In conventional
overcommit mode I may have broken something between base and -ac. Which
bit of the code are you looking at ?
next prev parent reply other threads:[~2002-07-12 21:03 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-07-12 20:39 David Mosberger
2002-07-12 22:15 ` Alan Cox [this message]
2002-07-12 21:13 ` Robert Love
2002-07-12 21:39 ` David Mosberger
2002-07-13 13:11 ` Hugh Dickins
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