PSVirtualSpace::PSVirtualSpace(ReservedSpace rs) :
_alignment(os::vm_page_size())
{
set_reserved(rs);
set_committed(reserved_low_addr(), reserved_low_addr());
DEBUG_ONLY(verify());
}
PSVirtualSpace::PSVirtualSpace(ReservedSpace rs, size_t alignment) :
_alignment(alignment)
{
set_reserved(rs);
set_committed(reserved_low_addr(), reserved_low_addr());
DEBUG_ONLY(verify());
}
PSVirtualSpace::PSVirtualSpace(ReservedSpace rs) :
_alignment(os::vm_page_size()), _account(os::CHEAP_COMMITTED_MEMORY_ACCOUNT)
{
set_reserved(rs);
set_committed(reserved_low_addr(), reserved_low_addr());
DEBUG_ONLY(verify());
}
PSVirtualSpaceHighToLow::PSVirtualSpaceHighToLow(ReservedSpace rs,
size_t alignment) :
PSVirtualSpace(alignment)
{
set_reserved(rs);
set_committed(reserved_high_addr(), reserved_high_addr());
DEBUG_ONLY(verify());
}
// Deprecated.
bool PSVirtualSpace::initialize(ReservedSpace rs,
size_t commit_size) {
set_reserved(rs);
set_committed(reserved_low_addr(), reserved_low_addr());
// Commit to initial size.
assert(commit_size <= rs.size(), "commit_size too big");
bool result = commit_size > 0 ? expand_by(commit_size) : true;
DEBUG_ONLY(verify());
return result;
}
inline void PSVirtualSpace::set_reserved(ReservedSpace rs) {
set_reserved(rs.base(), rs.base() + rs.size(), rs.special());
}