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[karo-tx-linux.git] / arch / mips / include / asm / sparsemem.h
1 #ifndef _MIPS_SPARSEMEM_H
2 #define _MIPS_SPARSEMEM_H
3 #ifdef CONFIG_SPARSEMEM
4
5 /*
6  * SECTION_SIZE_BITS            2^N: how big each section will be
7  * MAX_PHYSMEM_BITS             2^N: how much memory we can have in that space
8  */
9 #if defined(CONFIG_MIPS_HUGE_TLB_SUPPORT) && defined(CONFIG_PAGE_SIZE_64KB)
10 # define SECTION_SIZE_BITS      29
11 #else
12 # define SECTION_SIZE_BITS      28
13 #endif
14 #define MAX_PHYSMEM_BITS        35
15
16 #endif /* CONFIG_SPARSEMEM */
17 #endif /* _MIPS_SPARSEMEM_H */