release/src-rt-6.x.4708/linux/linux-2.6.36/arch/xtensa/include/asm/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 /*
  13  * Xtensa can have variable size caches, and if
  14  * the size of single way is larger than the page size,
  15  * then we have to start worrying about cache aliasing
  16  * problems.
  17  */
  18
  19 #define SHMLBA  ((PAGE_SIZE > DCACHE_WAY_SIZE)? PAGE_SIZE : DCACHE_WAY_SIZE)
  20
  21 #endif /* _XTENSA_SHMPARAM_H */