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common/host_memory: Optimize for huge tables.

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In theory, if we have 2 MB continously mapped, this should save one layer of TLB.
Let's make it at least more likely by aligning the memory.
This commit is contained in:
Markus Wick 2021-06-05 11:47:08 +02:00
parent 621f3f5f47
commit c4609c92ee
2 changed files with 24 additions and 11 deletions
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6
src/common/host_memory.h
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@ -15,7 +15,7 @@ namespace Common {
*/
class HostMemory {
public:
explicit HostMemory(size_t backing_size, size_t virtual_size);
explicit HostMemory(size_t backing_size_, size_t virtual_size_);
~HostMemory();
/**
@ -52,11 +52,15 @@ public:
}
private:
size_t backing_size{};
size_t virtual_size{};
// Low level handler for the platform dependent memory routines
class Impl;
std::unique_ptr<Impl> impl;
u8* backing_base{};
u8* virtual_base{};
size_t virtual_base_offset{};
};
} // namespace Common