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Large page support for cache

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Bug fixes
This commit is contained in:
tevador
2019-01-18 17:57:47 +01:00
parent 8b1102ee05
commit 4fb168e249
13 changed files with 135 additions and 33 deletions
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src/virtualMemory.cpp
+5 -1
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@@ -88,11 +88,15 @@ void* allocExecutableMemory(std::size_t bytes) {
return mem;
}
constexpr std::size_t align(std::size_t pos, uint32_t align) {
return ((pos - 1) / align + 1) * align;
}
void* allocLargePagesMemory(std::size_t bytes) {
void* mem;
#ifdef _WIN32
setPrivilege("SeLockMemoryPrivilege", 1);
mem = VirtualAlloc(NULL, bytes, MEM_COMMIT | MEM_RESERVE | MEM_LARGE_PAGES, PAGE_READWRITE);
mem = VirtualAlloc(NULL, align(bytes, 2 * 1024 * 1024), MEM_COMMIT | MEM_RESERVE | MEM_LARGE_PAGES, PAGE_READWRITE);
if (mem == nullptr)
throw std::runtime_error(getErrorMessage("allocLargePagesMemory - VirtualAlloc"));
#else