Messages in this thread | | | Date | Thu, 22 Aug 2013 17:12:21 +0400 | From | Cyrill Gorcunov <> | Subject | Re: Regression: x86/mm: new _PTE_SWP_SOFT_DIRTY bit conflicts with existing use |
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On Thu, Aug 22, 2013 at 03:37:33PM +0900, Minchan Kim wrote: > > > > Look, good thing is that 7th bit also available on the 4level pages > > (ie x86-64) without additional code modification, that's why I picked > > it in first place. I prepared the patch locally which doesn't use > > pse bit for tracking but it only makes code more complex. > > I'm not sure you read this thread. > http://comments.gmane.org/gmane.linux.kernel.mm/101756 > In summary, I'd like to use it to track sub-ranges of some processes. > > I already had a time to investigate and it enhanced our workload x2 on ARM > so I'd like to expand the concept for more general purpose. > > For it, arch-specific stuff would be hurdle for port. > So, I support your non-arch-specific solutions. > Just FYI. Such future plan shouldn't force you.
Hi Minchan, thanks for info, I'll read the thread (sorry for delay, managed to miss your email).
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