From 8cf108c5d159bccfa162a06e6abc35cfa4965781 Mon Sep 17 00:00:00 2001 From: Zhang Yi Date: Fri, 8 Feb 2019 18:11:00 +0800 Subject: linux-headers: add linux/mman.h. Update it to 4.20-rc1 Signed-off-by: Zhang Yi Message-Id: Signed-off-by: Eduardo Habkost --- linux-headers/asm-powerpc/mman.h | 39 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 39 insertions(+) create mode 100644 linux-headers/asm-powerpc/mman.h (limited to 'linux-headers/asm-powerpc') diff --git a/linux-headers/asm-powerpc/mman.h b/linux-headers/asm-powerpc/mman.h new file mode 100644 index 0000000000..1c2b3fca05 --- /dev/null +++ b/linux-headers/asm-powerpc/mman.h @@ -0,0 +1,39 @@ +/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */ +/* + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + */ +#ifndef _ASM_POWERPC_MMAN_H +#define _ASM_POWERPC_MMAN_H + +#include + + +#define PROT_SAO 0x10 /* Strong Access Ordering */ + +#define MAP_RENAME MAP_ANONYMOUS /* In SunOS terminology */ +#define MAP_NORESERVE 0x40 /* don't reserve swap pages */ +#define MAP_LOCKED 0x80 + +#define MAP_GROWSDOWN 0x0100 /* stack-like segment */ +#define MAP_DENYWRITE 0x0800 /* ETXTBSY */ +#define MAP_EXECUTABLE 0x1000 /* mark it as an executable */ + +#define MCL_CURRENT 0x2000 /* lock all currently mapped pages */ +#define MCL_FUTURE 0x4000 /* lock all additions to address space */ +#define MCL_ONFAULT 0x8000 /* lock all pages that are faulted in */ + +#define MAP_POPULATE 0x8000 /* populate (prefault) pagetables */ +#define MAP_NONBLOCK 0x10000 /* do not block on IO */ +#define MAP_STACK 0x20000 /* give out an address that is best suited for process/thread stacks */ +#define MAP_HUGETLB 0x40000 /* create a huge page mapping */ + +/* Override any generic PKEY permission defines */ +#define PKEY_DISABLE_EXECUTE 0x4 +#undef PKEY_ACCESS_MASK +#define PKEY_ACCESS_MASK (PKEY_DISABLE_ACCESS |\ + PKEY_DISABLE_WRITE |\ + PKEY_DISABLE_EXECUTE) +#endif /* _ASM_POWERPC_MMAN_H */ -- cgit 1.4.1