Messages in this thread | | | Date | Wed, 06 May 2009 12:46:17 +0300 | From | Izik Eidus <> | Subject | Re: [PATCH 2/6] ksm: dont allow overlap memory addresses registrations. |
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Rik van Riel wrote: > Izik Eidus wrote: >> subjects say it all. > > Not a very useful commit message. > > This makes me wonder, though. > > What happens if a user mmaps a 30MB memory region, registers it > with KSM and then unmaps the middle 10MB?
User cant break 30MB into smaller one. That mean that when you regisiter memory region that is X mb size, you can only remove it (as a whole), or add new region. This should answer the next question you had about why i have just the start address for removing the regions.
> >> Signed-off-by: Izik Eidus <ieidus@redhat.com> > > except for the commit message, Acked-by: Rik van Riel <riel@redhat.com> >
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