root/arch/arm64/include/asm/page-def.h

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INCLUDED FROM

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /*
   3  * Based on arch/arm/include/asm/page.h
   4  *
   5  * Copyright (C) 1995-2003 Russell King
   6  * Copyright (C) 2017 ARM Ltd.
   7  */
   8 #ifndef __ASM_PAGE_DEF_H
   9 #define __ASM_PAGE_DEF_H
  10 
  11 #include <linux/const.h>
  12 
  13 /* PAGE_SHIFT determines the page size */
  14 /* CONT_SHIFT determines the number of pages which can be tracked together  */
  15 #define PAGE_SHIFT              CONFIG_ARM64_PAGE_SHIFT
  16 #define CONT_SHIFT              CONFIG_ARM64_CONT_SHIFT
  17 #define PAGE_SIZE               (_AC(1, UL) << PAGE_SHIFT)
  18 #define PAGE_MASK               (~(PAGE_SIZE-1))
  19 
  20 #define CONT_SIZE               (_AC(1, UL) << (CONT_SHIFT + PAGE_SHIFT))
  21 #define CONT_MASK               (~(CONT_SIZE-1))
  22 
  23 #endif /* __ASM_PAGE_DEF_H */
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