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gpu: Rewrite virtual memory manager using PageTable.

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bunnei
2019-03-03 23:54:16 -05:00
parent 241563d15c
commit 22d3dfbcd4
13 changed files with 497 additions and 228 deletions
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2
src/common/page_table.cpp
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@ -16,6 +16,7 @@ void PageTable::Resize(std::size_t address_space_width_in_bits) {
pointers.resize(num_page_table_entries);
attributes.resize(num_page_table_entries);
backing_addr.resize(num_page_table_entries);
// The default is a 39-bit address space, which causes an initial 1GB allocation size. If the
// vector size is subsequently decreased (via resize), the vector might not automatically
@ -24,6 +25,7 @@ void PageTable::Resize(std::size_t address_space_width_in_bits) {
pointers.shrink_to_fit();
attributes.shrink_to_fit();
backing_addr.shrink_to_fit();
}
} // namespace Common