From mboxrd@z Thu Jan 1 00:00:00 1970 From: erik quanstrom Date: Sat, 3 Nov 2012 13:04:15 -0400 To: 9fans@9fans.net Message-ID: <7cd2c11374f75d628a5bb5e1f1d0919e@kw.quanstro.net> In-Reply-To: <20121103165100.GA63071@intma.in> References: <4A0E7310-9D9D-45C5-88A3-62B4A3191267@quintile.net> <20121103163103.GA48522@intma.in> <5cff355142bfe83410dce1c3fc321f25@kw.quanstro.net> <20121103165100.GA63071@intma.in> MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Subject: Re: [9fans] Kernel panic when allocating a huge memory Topicbox-Message-UUID: d163e384-ead7-11e9-9d60-3106f5b1d025 On Sat Nov 3 12:52:03 EDT 2012, khm-9@intma.in wrote: > On Sat, Nov 03, 2012 at 12:33:52PM -0400, erik quanstrom wrote: > > > > usually the vm does paging itself, and often more complicated things like > > memory compression and deduplication. so why would the hosted os page as well? > > > > Are you deliberately conflating swapping and paging? in modern systems, i believe they mean the same thing. http://en.wikipedia.org/wiki/Paging#Terminology > memory deduplication? is that true? http://lwn.net/Articles/454795/ - erik