Date: Sun, 24 Jul 2005 10:08:23 +0300 From: Petri Helenius <pete@he.iki.fi> To: freebsd-amd64@freebsd.org Subject: Re: kernel memory Message-ID: <42E33E67.7040205@he.iki.fi> In-Reply-To: <42DFF043.3090203@he.iki.fi> References: <42DFDCCA.8050207@he.iki.fi> <200507210137.29816.peter@wemm.org> <42DFF043.3090203@he.iki.fi>
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BTW, I remember seeing a freebsd memory map somewhere but I'm unable to locate it again. Is there one that has been updated to be valid for the 64 bit platforms? Pete Petri Helenius wrote: > Peter Wemm wrote: > >> >> 2GB for paged kernel memory. But in addition we access memory via >> the direct map area to avoid the need for temporary mappings in many >> cases. uma (malloc, mbufs) etc use this, as does the sfbuf temporary >> mapping system. >> >> >> > So there is no limitation for malloced memory? Say if my driver would > like to have 4 or 8 gig lookup cache that would work? > > Pete > > >
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