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kernel/linux-rt-4.4.41/arch/arm64/include/asm/shmparam.h 956 Bytes
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  /*
   * Copyright (C) 2012 ARM Ltd.
   *
   * This program is free software; you can redistribute it and/or modify
   * it under the terms of the GNU General Public License version 2 as
   * published by the Free Software Foundation.
   *
   * This program is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   * GNU General Public License for more details.
   *
   * You should have received a copy of the GNU General Public License
   * along with this program.  If not, see <http://www.gnu.org/licenses/>.
   */
  #ifndef __ASM_SHMPARAM_H
  #define __ASM_SHMPARAM_H
  
  /*
   * For IPC syscalls from compat tasks, we need to use the legacy 16k
   * alignment value. Since we don't have aliasing D-caches, the rest of
   * the time we can safely use PAGE_SIZE.
   */
  #define COMPAT_SHMLBA	0x4000
  
  #include <asm-generic/shmparam.h>
  
  #endif /* __ASM_SHMPARAM_H */