RFC: Hugepage COW

Avi Kivity avi at argo.co.il
Thu Jul 7 16:49:27 EST 2005

On Thu, 2005-07-07 at 15:55 +1000, David Gibson wrote:

> MAP_PRIVATE|MAP_WRITE mappings of hugetlbfs.  Because the pool of
> hugepages is limited, a write to a MAP_PRIVATE hugepage region may
> result in a SIGBUS, if a new hugepage cannot be allocated.  This patch

in that case you might allocate regular pages for the new copy.

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