Date: Sun, 28 Jun 2009 19:36:15 +0200 (CEST) From: Wojciech Puchar <wojtek@wojtek.tensor.gdynia.pl> To: freebsd-hackers@freebsd.org Subject: large pages (amd64) Message-ID: <alpine.BSF.2.00.0906281933580.1809@wojtek.tensor.gdynia.pl>
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i enabled vm.pmap.pg_ps_enabled: 1 could you please explain what exactly this values means? because i don't understand why promotions-demotions!=mappings vm.pmap.pde.promotions: 2703 vm.pmap.pde.p_failures: 6290 vm.pmap.pde.mappings: 610 vm.pmap.pde.demotions: 289 other question - tried enabling it on my i386 laptop (256 megs ram), always mappings==0, while promitions>demotions>0. certainly there are apps that could be put on big pages, gimp editing 40MB bitmap for example
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