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NVDRV: Refactor HeapMapper to use RangeSets
This commit is contained in:
Fernando Sahmkow
parent
01ba6cf610
commit
accccc0cbf
@ -3,110 +3,21 @@
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#include <mutex>
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#include <boost/container/small_vector.hpp>
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#define BOOST_NO_MT
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#include <boost/pool/detail/mutex.hpp>
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#undef BOOST_NO_MT
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#include <boost/icl/interval.hpp>
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#include <boost/icl/interval_base_set.hpp>
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#include <boost/icl/interval_set.hpp>
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#include <boost/icl/split_interval_map.hpp>
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#include <boost/pool/pool.hpp>
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#include <boost/pool/pool_alloc.hpp>
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#include <boost/pool/poolfwd.hpp>
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#include "common/range_sets.h"
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#include "common/range_sets.inc"
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#include "core/hle/service/nvdrv/core/heap_mapper.h"
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#include "video_core/host1x/host1x.h"
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namespace boost {
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template <typename T>
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class fast_pool_allocator<T, default_user_allocator_new_delete, details::pool::null_mutex, 4096, 0>;
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}
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namespace Service::Nvidia::NvCore {
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using IntervalCompare = std::less<DAddr>;
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using IntervalInstance = boost::icl::interval_type_default<DAddr, std::less>;
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using IntervalAllocator = boost::fast_pool_allocator<DAddr>;
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using IntervalSet = boost::icl::interval_set<DAddr>;
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using IntervalType = typename IntervalSet::interval_type;
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template <typename Type>
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struct counter_add_functor : public boost::icl::identity_based_inplace_combine<Type> {
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// types
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typedef counter_add_functor<Type> type;
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typedef boost::icl::identity_based_inplace_combine<Type> base_type;
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// public member functions
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void operator()(Type& current, const Type& added) const {
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current += added;
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if (current < base_type::identity_element()) {
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current = base_type::identity_element();
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}
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}
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// public static functions
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static void version(Type&){};
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};
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using OverlapCombine = counter_add_functor<int>;
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using OverlapSection = boost::icl::inter_section<int>;
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using OverlapCounter = boost::icl::split_interval_map<DAddr, int>;
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struct HeapMapper::HeapMapperInternal {
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HeapMapperInternal(Tegra::Host1x::Host1x& host1x) : device_memory{host1x.MemoryManager()} {}
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HeapMapperInternal(Tegra::Host1x::Host1x& host1x) : m_device_memory{host1x.MemoryManager()} {}
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~HeapMapperInternal() = default;
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template <typename Func>
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void ForEachInOverlapCounter(OverlapCounter& current_range, VAddr cpu_addr, u64 size,
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Func&& func) {
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const DAddr start_address = cpu_addr;
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const DAddr end_address = start_address + size;
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const IntervalType search_interval{start_address, end_address};
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auto it = current_range.lower_bound(search_interval);
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if (it == current_range.end()) {
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return;
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}
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auto end_it = current_range.upper_bound(search_interval);
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for (; it != end_it; it++) {
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auto& inter = it->first;
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DAddr inter_addr_end = inter.upper();
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DAddr inter_addr = inter.lower();
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if (inter_addr_end > end_address) {
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inter_addr_end = end_address;
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}
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if (inter_addr < start_address) {
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inter_addr = start_address;
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}
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func(inter_addr, inter_addr_end, it->second);
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}
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}
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void RemoveEachInOverlapCounter(OverlapCounter& current_range,
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const IntervalType search_interval, int subtract_value) {
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bool any_removals = false;
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current_range.add(std::make_pair(search_interval, subtract_value));
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do {
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any_removals = false;
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auto it = current_range.lower_bound(search_interval);
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if (it == current_range.end()) {
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return;
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}
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auto end_it = current_range.upper_bound(search_interval);
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for (; it != end_it; it++) {
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if (it->second <= 0) {
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any_removals = true;
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current_range.erase(it);
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break;
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}
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}
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} while (any_removals);
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}
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IntervalSet base_set;
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OverlapCounter mapping_overlaps;
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Tegra::MaxwellDeviceMemoryManager& device_memory;
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std::mutex guard;
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Common::RangeSet<VAddr> m_temporary_set;
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Common::SplitRangeSet<VAddr> m_mapped_ranges;
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Tegra::MaxwellDeviceMemoryManager& m_device_memory;
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std::mutex m_guard;
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};
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HeapMapper::HeapMapper(VAddr start_vaddress, DAddr start_daddress, size_t size, Core::Asid asid,
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@ -116,60 +27,48 @@ HeapMapper::HeapMapper(VAddr start_vaddress, DAddr start_daddress, size_t size,
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}
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HeapMapper::~HeapMapper() {
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m_internal->device_memory.Unmap(m_daddress, m_size);
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// Unmap whatever has been mapped.
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m_internal->m_mapped_ranges.ForEach([this](VAddr start_addr, VAddr end_addr, s32 count) {
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const size_t sub_size = end_addr - start_addr;
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const size_t offset = start_addr - m_vaddress;
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m_internal->m_device_memory.Unmap(m_daddress + offset, sub_size);
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});
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}
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DAddr HeapMapper::Map(VAddr start, size_t size) {
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std::scoped_lock lk(m_internal->guard);
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m_internal->base_set.clear();
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const IntervalType interval{start, start + size};
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m_internal->base_set.insert(interval);
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m_internal->ForEachInOverlapCounter(m_internal->mapping_overlaps, start, size,
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[this](VAddr start_addr, VAddr end_addr, int) {
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const IntervalType other{start_addr, end_addr};
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m_internal->base_set.subtract(other);
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});
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if (!m_internal->base_set.empty()) {
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auto it = m_internal->base_set.begin();
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auto end_it = m_internal->base_set.end();
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for (; it != end_it; it++) {
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const VAddr inter_addr_end = it->upper();
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const VAddr inter_addr = it->lower();
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const size_t offset = inter_addr - m_vaddress;
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const size_t sub_size = inter_addr_end - inter_addr;
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m_internal->device_memory.Map(m_daddress + offset, m_vaddress + offset, sub_size,
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m_asid);
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}
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}
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m_internal->mapping_overlaps += std::make_pair(interval, 1);
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m_internal->base_set.clear();
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return m_daddress + (start - m_vaddress);
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std::scoped_lock lk(m_internal->m_guard);
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// Add the mapping range to a temporary range set.
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m_internal->m_temporary_set.Clear();
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m_internal->m_temporary_set.Add(start, size);
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// Remove anything that's already mapped from the temporary range set.
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m_internal->m_mapped_ranges.ForEachInRange(
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start, size, [this](VAddr start_addr, VAddr end_addr, s32) {
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m_internal->m_temporary_set.Subtract(start_addr, end_addr - start_addr);
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});
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// Map anything that has not been mapped yet.
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m_internal->m_temporary_set.ForEach([this](VAddr start_addr, VAddr end_addr) {
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const size_t sub_size = end_addr - start_addr;
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const size_t offset = start_addr - m_vaddress;
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m_internal->m_device_memory.Map(m_daddress + offset, m_vaddress + offset, sub_size, m_asid);
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});
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// Add the mapping range to the split map, to register the map and overlaps.
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m_internal->m_mapped_ranges.Add(start, size);
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m_internal->m_temporary_set.Clear();
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return m_daddress + static_cast<DAddr>(start - m_vaddress);
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}
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void HeapMapper::Unmap(VAddr start, size_t size) {
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std::scoped_lock lk(m_internal->guard);
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m_internal->base_set.clear();
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m_internal->ForEachInOverlapCounter(m_internal->mapping_overlaps, start, size,
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[this](VAddr start_addr, VAddr end_addr, int value) {
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if (value <= 1) {
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const IntervalType other{start_addr, end_addr};
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m_internal->base_set.insert(other);
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}
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});
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if (!m_internal->base_set.empty()) {
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auto it = m_internal->base_set.begin();
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auto end_it = m_internal->base_set.end();
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for (; it != end_it; it++) {
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const VAddr inter_addr_end = it->upper();
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const VAddr inter_addr = it->lower();
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const size_t offset = inter_addr - m_vaddress;
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const size_t sub_size = inter_addr_end - inter_addr;
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m_internal->device_memory.Unmap(m_daddress + offset, sub_size);
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}
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}
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const IntervalType to_remove{start, start + size};
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m_internal->RemoveEachInOverlapCounter(m_internal->mapping_overlaps, to_remove, -1);
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m_internal->base_set.clear();
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std::scoped_lock lk(m_internal->m_guard);
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// Just subtract the range and whatever is deleted, unmap it.
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m_internal->m_mapped_ranges.Subtract(start, size, [this](VAddr start_addr, VAddr end_addr) {
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const size_t sub_size = end_addr - start_addr;
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const size_t offset = start_addr - m_vaddress;
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m_internal->m_device_memory.Unmap(m_daddress + offset, sub_size);
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});
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}
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} // namespace Service::Nvidia::NvCore
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