include/asm-xtensa/shmparam.h

   1 /*
   2  * include/asm-xtensa/shmparam.h
   3  *
   4  * This file is subject to the terms and conditions of the GNU General
   5  * Public License.  See the file "COPYING" in the main directory of
   6  * this archive for more details.
   7  */
   8
   9 #ifndef _XTENSA_SHMPARAM_H
  10 #define _XTENSA_SHMPARAM_H
  11
  12 #include <asm/processor.h>
  13
  14 /*
  15  * Xtensa can have variable size caches, and if
  16  * the size of single way is larger than the page size,
  17  * then we have to start worrying about cache aliasing
  18  * problems.
  19  */
  20
  21 #define SHMLBA  ((PAGE_SIZE > DCACHE_WAY_SIZE)? PAGE_SIZE : DCACHE_WAY_SIZE)
  22
  23 #endif /* _XTENSA_SHMPARAM_H */