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mckernel/arch/x86/kernel/include/arch/mman.h
2016-03-23 19:04:32 +09:00

41 lines
839 B
C

/**
* \file mman.h
* License details are found in the file LICENSE.
* \brief
* memory management declarations
* \author Gou Nakamura <go.nakamura.yw@hitachi-solutions.com> \par
* Copyright (C) 2015 RIKEN AICS
*/
/*
* HISTORY:
*/
#ifndef HEADER_ARCH_MMAN_H
#define HEADER_ARCH_MMAN_H
/*
* mapping flags
*/
#define MAP_32BIT 0x40
#define MAP_GROWSDOWN 0x0100
#define MAP_DENYWRITE 0x0800
#define MAP_EXECUTABLE 0x1000
#define MAP_LOCKED 0x2000
#define MAP_NORESERVE 0x4000
#define MAP_POPULATE 0x8000
#define MAP_NONBLOCK 0x00010000
#define MAP_STACK 0x00020000
#define MAP_HUGETLB 0x00040000
#define MAP_HUGE_SHIFT 26
#define MAP_HUGE_2MB (21 << MAP_HUGE_SHIFT)
#define MAP_HUGE_1GB (30 << MAP_HUGE_SHIFT)
/*
* for mlockall()
*/
#define MCL_CURRENT 0x01
#define MCL_FUTURE 0x02
#endif /* HEADER_ARCH_MMAN_H */