Date: 4 Sep 2011 05:24:04 -0000 From: "John Levine" <johnl@iecc.com> To: freebsd-questions@freebsd.org Cc: brett@lariat.net Subject: Re: Huge interrupt overhead reported after RAM added to Atom-based system Message-ID: <20110904052404.79122.qmail@joyce.lan> In-Reply-To: <201109040512.XAA29689@lariat.net>
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>I'd like to experiment with having FreeBSD try to use less than the >full 4 GB (e.g., to make it act as if memory ended at, say, 3 GB) >but I'm not sure how to tell the kernel to do that. In /boot/loader.conf set "hw.physmem" to whatever size you want it to use. "man loader" for more info R's, John
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