Date: Wed, 5 Aug 1998 07:39:40 +0000 (GMT) From: Terry Lambert <tlambert@primenet.com> To: dg@root.com Cc: tlambert@primenet.com, ben@rosengart.com, hackers@FreeBSD.ORG Subject: Re: executables over NFS Message-ID: <199808050739.AAA20325@usr02.primenet.com> In-Reply-To: <199808050456.VAA07690@implode.root.com> from "David Greenman" at Aug 4, 98 09:56:00 pm
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> >They are treated as local files -- that is, first page-in is from > >the vnode, and subsequently aggressively cached, including page-out > >to local swap store in preference to discard, so subsequent page-in > >is from local swap store. > > That is not true. In no case will vnode-backed pages be paged out to > swap. The only case where VM could start out as vnode backed and end > up in swap is after a COW, in which case a swap-backed page is created. > This behavior is not modified by the underlying file system type. I thought it was true for FFS as well; a posting in 1996 by John Dyson led me to believe this was true, and I didn't see a change in policy. 8-(. I'll ask John, but you're probably right... Terry Lambert terry@lambert.org --- Any opinions in this posting are my own and not those of my present or previous employers. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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