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.