MEMORY_WORKING_SET_BLOCK - NtDoc

#ifndef _NTMMAPI_H

typedef struct _MEMORY_WORKING_SET_BLOCK
{
    ULONG_PTR Protection : 5;
    ULONG_PTR ShareCount : 3;
    ULONG_PTR Shared : 1;
    ULONG_PTR Node : 3;
#ifdef _WIN64
    ULONG_PTR VirtualPage : 52;
#else
    ULONG VirtualPage : 20;
#endif
} MEMORY_WORKING_SET_BLOCK, *PMEMORY_WORKING_SET_BLOCK;

#endif
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