Messages in this thread | | | Date | Sun, 5 Dec 1999 16:26:29 +0100 | From | Harald Koenig <> | Subject | Re: (XFree86) mmap of /proc/XXX/mem |
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On Dec 04, Pavel Machek wrote:
> Hi! > > > I tried something like that, too. However I didn't fill up the file - > > I used lseek instead, this way I was only able to access the first > > page. If I tried to access any higher pages it bus-errored. Maybe filling > > it up does the trick - however then the process will get a private copy > > of all pages in this 1Meg - even the ones that are not touched by the BIOS. > > This will give me a 1Meg footprint for each real mode image. > > 1Meg per videocard is not _that_ bad. It is not worse than using dirty > tricks. If you want 4.0 released some day, I'd suggest to use this and > look at optimizing later.
and if you're using 2-4 cards and start 1-2 servers you'll need and use up plenty of (no longer but hopefully free) space in /tmp just for such a hacky workaround? yuck :-(
Harald -- All SCSI disks will from now on ___ _____ be required to send an email notice 0--,| /OOOOOOO\ 24 hours prior to complete hardware failure! <_/ / /OOOOOOOOOOO\ \ \/OOOOOOOOOOOOOOO\ \ OOOOOOOOOOOOOOOOO|// Harald Koenig, \/\/\/\/\/\/\/\/\/ Inst.f.Theoret.Astrophysik // / \\ \ koenig@tat.physik.uni-tuebingen.de ^^^^^ ^^^^^
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