>>> Ingo Molnar <[EMAIL PROTECTED]> 17.12.07 14:28 >>> > >* Jan Beulich <[EMAIL PROTECTED]> wrote: > >> When either calling change_page_attr() with the default attributes >> pages in the direct mapping have and a page's attributes already were >> set to the default or when changing the attributes from one >> non-default value to another, the reference counting broke, leading to >> either premature restoration of a large page or missing the >> opportunity to do so. >> >> At the same time, make __PHYSICAL_MASK_SHIFT on 64-bits the value it >> architecturally ought to have. > >hm, does this patch fix any real bug seen live? (if yes then do you have >links to it, etc?) It would be a v2.6.24 fix in theory but it looks too >dangerous for that. So i've queued it up for v2.6.25, for the time >being.
I had run into the issue with experimental code of mine quite a while back (i.e. I don't even recall what exactly I was doing back then). After that I just continued to keep the fix (which I had submitted before, but which collided with something in Andi's tree back then iirc). Jan -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
