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SubjectRe: [PATCH 2/6] ksm: dont allow overlap memory addresses registrations.
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 <>
> except for the commit message, Acked-by: Rik van Riel <>

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