arch/mips/include/asm/sparsemem.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef _MIPS_SPARSEMEM_H
   3 #define _MIPS_SPARSEMEM_H
   4 #ifdef CONFIG_SPARSEMEM
   5
   6 /*
   7  * SECTION_SIZE_BITS            2^N: how big each section will be
   8  * MAX_PHYSMEM_BITS             2^N: how much memory we can have in that space
   9  */
  10 #if defined(CONFIG_MIPS_HUGE_TLB_SUPPORT) && defined(CONFIG_PAGE_SIZE_64KB)
  11 # define SECTION_SIZE_BITS      29
  12 #else
  13 # define SECTION_SIZE_BITS      28
  14 #endif
  15 #define MAX_PHYSMEM_BITS        48
  16
  17 #endif /* CONFIG_SPARSEMEM */
  18 #endif /* _MIPS_SPARSEMEM_H */