Messages in this thread | | | Date | Tue, 5 Nov 2002 13:10:35 -0800 (PST) | From | vasya vasyaev <> | Subject | RE: Machine's high load when HIGHMEM is enabled |
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By the way, please CC all of your answers, because I'm not soubscribed to the list. Thank you.
--- "Nakajima, Jun" <jun.nakajima@intel.com> wrote: > Also try to disable BIOS remapping in the BIOS setup > menu, if any. I know > some BIOS that forgot to reset the proper memory > attribute in the MTRR(s) > after the remapping. > > Jun > > > -----Original Message----- > > From: Andrew Morton [mailto:akpm@digeo.com] > > Sent: Monday, November 04, 2002 11:28 AM > > To: vasya vasyaev > > Cc: linux-kernel@vger.kernel.org > > Subject: Re: Machine's high load when HIGHMEM is > enabled > > > > vasya vasyaev wrote: > > > > > > Hello, > > > > > > First of all - thanks to these people, who > responded > > > to my question. > > > > > > I have some news... > > > > > > I've tried kernels: > > > 2.4.19 - the same result > > > 2.5.44 - the same result > > > 2.5.45 - the same result > > > > > > If I take 1 Gb of memory away, then computer > works > > > much better, faster (something like without > enabled > > > HIGHMEM at all). > > > The same effect takes place if I say mem=1024M > while > > > physically box has 2Gb of RAM - everything is > fine! > > > But if I start HIGHMEM enabled kernel on this > box (2Gb > > > RAM), then it works too slowly... > > > > > > > Please ensure that the mtrr driver is enabled in > kernel config, > > boot with mem=2G and send the output of `cat > /proc/mtrr'. > > > > Also, `dmesg | head -120' would be interesting.
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