Messages in this thread | | | Date | Sun, 21 Dec 1997 21:03:03 +0100 | From | Pavel Machek <> | Subject | Re: Memory hole 15-16Mb, how? |
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Hi!
> I wish to be able to tell linux with a command line parameter (much like you > can for IO ports with "region=0x1000,128") that it shouldn't allocate this 1M > to anything itself but allow access to it from ring 0. Maybe by configuring > paging system in some way.
I'd like to second this. It is often usefull to exclude some areas of memory. (For example if you are hunting bug in CPU ;-).
PS: Patch is easy to do. If you convince Linus to include it, I volunteer to write it.
Pavel
-- I'm really pavel@atrey.karlin.mff.cuni.cz. Pavel Look at http://atrey.karlin.mff.cuni.cz/~pavel/ ;-).
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