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Replace zones with individually tracked physical pages.

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It's just a simple struct { ref_count, paddr }.
This will allow me to implement lazy zeroing and COW pages.
This commit is contained in:
Andreas Kling 2018-11-05 10:23:00 +01:00
parent b5c5286ee1
commit 72cdc62155
10 changed files with 161 additions and 127 deletions
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17
AK/Vector.h
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@ -75,6 +75,13 @@ public:
other.m_impl = nullptr;
}
Vector(const Vector& other)
{
ensureCapacity(other.size());
for (size_t i = 0; i < other.size(); ++i)
unchecked_append(other[i]);
}
Vector& operator=(Vector&& other)
{
if (this != &other) {
@ -140,16 +147,22 @@ public:
Vector<T> tmp = move(other);
ensureCapacity(size() + tmp.size());
for (auto&& v : tmp) {
uncheckedAppend(move(v));
unchecked_append(move(v));
}
}
void uncheckedAppend(T&& value)
void unchecked_append(T&& value)
{
new (m_impl->slot(m_impl->m_size)) T(move(value));
++m_impl->m_size;
}
void unchecked_append(const T& value)
{
new (m_impl->slot(m_impl->m_size)) T(value);
++m_impl->m_size;
}
void append(T&& value)
{
ensureCapacity(size() + 1);