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util/HugeAllocator: implement on Windows

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This commit is contained in:
Max Kellermann 2014-08-11 23:06:45 +02:00
parent 43f964e28d
commit c597538b40
1 changed files with 22 additions and 0 deletions
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22
src/util/HugeAllocator.hxx
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@ -63,6 +63,28 @@ HugeFree(void *p, size_t size);
void
HugeDiscard(void *p, size_t size);
#elif defined(WIN32)
#include <windows.h>
gcc_malloc
static inline void *
HugeAllocate(size_t size)
{
return VirtualAlloc(nullptr, size, MEM_LARGE_PAGES, PAGE_READWRITE);
}
static inline void
HugeFree(void *p, gcc_unused size_t size)
{
VirtualFree(p, 0, MEM_RELEASE);
}
static inline void
HugeDiscard(void *p, size_t size)
{
VirtualAlloc(p, size, MEM_RESET, PAGE_NOACCESS);
}
#else
/* not Linux: fall back to standard C calls */