Messages in this thread | | | Date | Fri, 23 Jan 2004 08:54:51 +0100 | From | Pavel Machek <> | Subject | Re: swsusp vs pgdir |
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Hi!
> > We test that CPU has PSE feature. That means kernel is mapped using > > 4MB page tables, and I do not have to care about page tables at > > all. > > Just enlighten me please: How do these 4Mb page tables work ? The pgdir > entries contain special bits ? Then you at least must make sure the
The pgdir contains special bits, and there are no other levels of page tables.
Now, I'm apparently rewriting swapper_pg_dir with itself (same data). That's not too clean, but CPUs do not notice it...
> swapper_pgdir is left intact. This is the case ? (I also suppose you > mean the entire linear mapping, not just the kernel, is mapped with > 4M pages)
Yes. Pavel -- When do you have a heart between your knees? [Johanka's followup: and *two* hearts?] - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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