Kernel: Merge PurgeableVMObject into AnonymousVMObject

This implements memory commitments and lazy-allocation of committed
memory.
This commit is contained in:
Tom 2020-09-05 15:52:14 -06:00 committed by Andreas Kling
commit 476f17b3f1
Notes: sideshowbarker 2024-07-19 00:14:30 +09:00
35 changed files with 937 additions and 564 deletions

View file

@ -35,14 +35,15 @@ inline bool KBufferBuilder::can_append(size_t size) const
{
if (!m_buffer)
return false;
bool has_space = ((m_size + size) < m_buffer->size());
ASSERT(has_space);
return has_space;
return ((m_size + size) < m_buffer->size());
}
OwnPtr<KBuffer> KBufferBuilder::build()
{
m_buffer->set_size(m_size);
if (!m_buffer)
return {};
if (!m_buffer->is_null())
m_buffer->set_size(m_size);
return m_buffer.release_nonnull();
}