Messages in this thread | | | Date | Mon, 4 Jun 2007 13:02:09 +0200 | From | Pavel Machek <> | Subject | Re: [2.6.21.1] resume doesn't run suspended kernel? |
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Hi!
> > > They are already. > > > > ...but will that place still be safe when we use other version of > > kernel? > > They'll be in the image too, won't they? Failing that, the information > could be stored in the image header. > > > Anyway, pagedirs are on the safe place, right? That means that we > > swsusp should no longer clash with page allocation debugging... > > You mean DEBUG_PAGEALLOC? That can be overcome easily - I have code in > current Suspend2 that works with DEBUG_PAGEALLOC. I handle the page > fault, mapping the page and setting a flag in the fault handler to tell > the atomic copy code to unmap the page again once it has been copied.
I meant debug_pagealloc, but no, I do not think we want to make page fault handler more complex. Switching to 1:1 mapping tables should be enough. Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html - 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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