Date: Thu, 30 Oct 2014 12:08:49 -0400 From: John Baldwin <jhb@freebsd.org> To: Sourish Mazumder <sourish@cloudbyte.com> Cc: freebsd-amd64@freebsd.org Subject: Re: memory type e820 Message-ID: <201410301208.50164.jhb@freebsd.org> In-Reply-To: <CABv3qbFCFUGRe7H2Huw0cTkX4sC7%2BK5pr82OyWg5Jk7sDv10Kg@mail.gmail.com> References: <CABv3qbEuggLT=9vsHAs5Rdp8a0V-=DG7DnPO1BQk4Ghn4r_9Dw@mail.gmail.com> <201410071050.34285.jhb@freebsd.org> <CABv3qbFCFUGRe7H2Huw0cTkX4sC7%2BK5pr82OyWg5Jk7sDv10Kg@mail.gmail.com>
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On Thursday, October 30, 2014 1:56:00 am Sourish Mazumder wrote: > I have nvram device in my system. I am able to detect the nvram device > address by scanning the bios_smap. > How do I add this new found nvram memory into kernel address space? Do you just want to map it so you can get a valid pointer or do you want it to be treated as normal memory by the VM system (i.e. available for use as pages in the VM page cache)? -- John Baldwin
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