Date: Mon, 29 Jun 2009 00:25:20 +0200 (CEST) From: Wojciech Puchar <wojtek@wojtek.tensor.gdynia.pl> To: alc@freebsd.org Cc: freebsd-hackers@freebsd.org Subject: Re: large pages (amd64) Message-ID: <alpine.BSF.2.00.0906290024540.37501@wojtek.tensor.gdynia.pl> In-Reply-To: <ca3526250906281451g4441441bt3718d37dd848590a@mail.gmail.com> References: <alpine.BSF.2.00.0906281933580.1809@wojtek.tensor.gdynia.pl> <ca3526250906281451g4441441bt3718d37dd848590a@mail.gmail.com>
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> > other question - tried enabling it on my i386 laptop (256 megs ram), always > mappings==0, while promitions>demotions>0. > > > The default starting address for executables on i386 is not aligned to a 2/4MB page boundary. > Hence, "mappings" are much less likely to occur. > > > certainly there are apps that could be put on big pages, gimp editing 40MB bitmap for > example > > > Regards, > Alan > > > how can i check how much (or maybe - what processes) 2MB pages are actually allocated?
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