From 5bba49f5397c012d873c73860ad7b50c526e613b Mon Sep 17 00:00:00 2001 From: Vineet Gupta Date: Thu, 9 May 2013 19:20:43 +0530 Subject: ARC: [mm] Aliasing VIPT dcache support 4/4 Enforce congruency of userspace shared mappings Signed-off-by: Vineet Gupta --- arch/arc/include/asm/shmparam.h | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) create mode 100644 arch/arc/include/asm/shmparam.h (limited to 'arch/arc/include/asm/shmparam.h') diff --git a/arch/arc/include/asm/shmparam.h b/arch/arc/include/asm/shmparam.h new file mode 100644 index 000000000000..fffeecc04270 --- /dev/null +++ b/arch/arc/include/asm/shmparam.h @@ -0,0 +1,18 @@ +/* + * Copyright (C) 2013 Synopsys, Inc. (www.synopsys.com) + * + * 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. + */ + +#ifndef __ARC_ASM_SHMPARAM_H +#define __ARC_ASM_SHMPARAM_H + +/* Handle upto 2 cache bins */ +#define SHMLBA (2 * PAGE_SIZE) + +/* Enforce SHMLBA in shmat */ +#define __ARCH_FORCE_SHMLBA + +#endif -- cgit v1.2.1