8220569: ZGC: Rename and rework ZUnmapBadViews to ZVerifyViews
Reviewed-by: stefank, eosterlund
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#ifndef OS_CPU_LINUX_X86_GC_Z_ZPHYSICALMEMORYBACKING_LINUX_X86_HPP
#define OS_CPU_LINUX_X86_GC_Z_ZPHYSICALMEMORYBACKING_LINUX_X86_HPP
#include "gc/z/zBackingFile_linux_x86.hpp"
#include "gc/z/zMemory.hpp"
class ZErrno;
class ZPhysicalMemory;
class ZPhysicalMemoryBacking {
private:
ZMemoryManager _manager;
ZBackingFile _file;
void check_max_map_count(size_t max_capacity) const;
void check_available_space_on_filesystem(size_t max_capacity) const;
void map_failed(ZErrno err) const;
void advise_view(uintptr_t addr, size_t size) const;
void pretouch_view(uintptr_t addr, size_t size) const;
void map_view(ZPhysicalMemory pmem, uintptr_t addr, bool pretouch) const;
void unmap_view(ZPhysicalMemory pmem, uintptr_t addr) const;
public:
ZPhysicalMemoryBacking(size_t max_capacity);
bool is_initialized() const;
size_t try_expand(size_t old_capacity, size_t new_capacity);
ZPhysicalMemory alloc(size_t size);
void free(ZPhysicalMemory pmem);
uintptr_t nmt_address(uintptr_t offset) const;
void map(ZPhysicalMemory pmem, uintptr_t offset) const;
void unmap(ZPhysicalMemory pmem, uintptr_t offset) const;
void debug_map(ZPhysicalMemory pmem, uintptr_t offset) const;
void debug_unmap(ZPhysicalMemory pmem, uintptr_t offset) const;
};
#endif // OS_CPU_LINUX_X86_GC_Z_ZPHYSICALMEMORYBACKING_LINUX_X86_HPP