[lkml]   [2000]   [Oct]   [2]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
> Anyway, my original question has not yet been answered: why is it that I can
> ioremap() any physical page by simply setting one bit, but I cannot always
> iounmap() it? Why can't iounmap() simply undo what ioremap() did?

The fact you can doesn't mean you should. You need to be sole owner of that
page before you can fiddle with the reserved bit. You were not sole owner

To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to
Please read the FAQ at

 \ /
  Last update: 2005-03-22 12:39    [from the cache]
©2003-2014 Jasper Spaans. hosted at Digital Ocean