HEAP_COMPATIBILITY_MODE - NtDoc

#ifndef _NTRTL_H

typedef enum _HEAP_COMPATIBILITY_MODE
{
    HEAP_COMPATIBILITY_MODE_STANDARD = 0UL,
    HEAP_COMPATIBILITY_MODE_LAL = 1UL, // Lookaside list heap (LAL) compatibility mode.
    HEAP_COMPATIBILITY_MODE_LFH = 2UL, // Low-fragmentation heap (LFH) compatibility mode.
} HEAP_COMPATIBILITY_MODE;

#endif
View code on GitHub