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[NTOS]: Add definition for size of a page directory, and size of all page directories required per process (some architectures have more than one page directory per process/address space).

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svn path=/trunk/; revision=48937
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Sir Richard 2010-09-30 03:18:44 +00:00
parent 80d5d95d72
commit eaff9c1e8c
1 changed files with 7 additions and 0 deletions
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7
reactos/ntoskrnl/mm/ARM3/miarm.h
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@ -62,11 +62,18 @@
/* Size of a page table */
#define PT_SIZE (PTE_COUNT * sizeof(MMPTE))
/* Size of a page directory */
#define PD_SIZE (PDE_COUNT * sizeof(MMPDE))
/* Size of all page directories for a process */
#define SYSTEM_PD_SIZE (PD_COUNT * PD_SIZE)
/* Architecture specific count of PDEs in a directory, and count of PTEs in a PT */
#ifdef _M_IX86
#define PD_COUNT 1
#define PDE_COUNT 1024
#define PTE_COUNT 1024
C_ASSERT(SYSTEM_PD_SIZE == PAGE_SIZE);
#elif _M_ARM
#define PD_COUNT 1
#define PDE_COUNT 4096