arch/arm64/include/asm/shmparam.h

   1 /*
   2  * Copyright (C) 2012 ARM Ltd.
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License version 2 as
   6  * published by the Free Software Foundation.
   7  *
   8  * This program is distributed in the hope that it will be useful,
   9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11  * GNU General Public License for more details.
  12  *
  13  * You should have received a copy of the GNU General Public License
  14  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  15  */
  16 #ifndef __ASM_SHMPARAM_H
  17 #define __ASM_SHMPARAM_H
  18
  19 /*
  20  * For IPC syscalls from compat tasks, we need to use the legacy 16k
  21  * alignment value. Since we don't have aliasing D-caches, the rest of
  22  * the time we can safely use PAGE_SIZE.
  23  */
  24 #define COMPAT_SHMLBA   (4 * PAGE_SIZE)
  25
  26 #include <asm-generic/shmparam.h>
  27
  28 #endif /* __ASM_SHMPARAM_H */