linux/arch/arm64/include/asm/shmparam.h
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   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 */
  29