The CONFIG_MTRR option creates a /proc/mtrr file which may be used to manipulate your MTRRs. Typically the X server should use this. This should have a ...
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This file refers to the current Memory Type Range Registers (MTRRs) in use with the system. If the system architecture supports MTRRs, then the /proc/mtrr file ...
/proc/mtrr and incorrect GPU memory size / Kernel & Hardware / Arch ...
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Feb 17, 2010 · I understand this to be reporting that the card has 16+256+32M of RAM. I am wondering whether this could be related to my lockups?
MTRRs are used with the Intel P6 family of processors (Pentium II and higher) and control processor access to memory ranges. When using a video card on a PCI or ...
It is VERY recommended to check if the MTRR registers are set up properly, because they can give a big performance boost. Do a cat /proc/mtrr:
View topic - /proc/mtrr all are uncacheable - Gentoo Forums
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Nov 15, 2018 · With /proc/mtrr, individual video drivers can change them at will. I recall playing with this over a decade ago with dumb video cards (like the ...
Jun 26, 2024 · /proc/mtrr Memory Type Range Registers. See the Linux kernel source file Documentation/x86/mtrr.rst (or Documentation/x86/mtrr.txt before Linux 5.2)
Dec 1, 2018 · Why I can not see PAT enabled in dmesg? · How should I configure MTRR to make use of the 7 registers? · Why MTRR default type is uncachable?
Jan 9, 2014 · I've noticed impressive performance gains, at least using gtkperf. Scores started at 5.22 and dropped to 3.40 though not very stable at this time.
Jul 23, 2018 · A main feature of the MTRR is to map locations of PCI or AGP memory components in your system so that software and drivers could access them ...