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        48
  15
  16 #endif /* CONFIG_SPARSEMEM */
  17 #endif /* _MIPS_SPARSEMEM_H */