Date: Wed, 17 Feb 1999 07:42:26 -0500 (EST) From: Luoqi Chen <luoqi@watermarkgroup.com> To: julian@whistle.com Cc: current@FreeBSD.ORG, doconnor@gsoft.com.au Subject: Re: VM patch.. SMP and SO5.0 Message-ID: <199902171242.HAA27848@lor.watermarkgroup.com>
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> who's looked at this. Tor Egge, he has been very helpful during the development of the code. The pmap change was a result of discussions with him. > It looks to me that this is serious stuff.... > spliting the pmap out of the vmspace structure is a big change. > caertainly a logical move but requires checking.. > > I guess it should be refered to the VM cabal. > > I presume that this is to be done in conjunction with the linuxthreads > (and native threads) code already committed... > > What exactly is the reason for separating them? > First, pmap is not split out of vmspace structure, it's just a trick to keep struct kinfo_proc constant size (i.e. independent of NCPU), vmspace_alloc() has been changed to allocate sizeof(struct vmspace)+sizeof(struct pmap) amount of space and pmap lives at the bottom half. > julian > -lq To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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