diff options
| author | Zhang Yi <yi.z.zhang@linux.intel.com> | 2019-02-08 18:11:00 +0800 |
|---|---|---|
| committer | Eduardo Habkost <ehabkost@redhat.com> | 2019-04-25 14:17:36 -0300 |
| commit | 8cf108c5d159bccfa162a06e6abc35cfa4965781 (patch) | |
| tree | 67153f5a19eb66e268fe9c2511060e3e9bbec25b /linux-headers/linux | |
| parent | 0289881fb6c90bc5ac07585f0a1d60a3a5777d3d (diff) | |
linux-headers: add linux/mman.h.
Update it to 4.20-rc1
Signed-off-by: Zhang Yi <yi.z.zhang@linux.intel.com>
Message-Id: <f9346f1816b940a4231524a84d57a2cac8466ccc.1549555521.git.yi.z.zhang@linux.intel.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Diffstat (limited to 'linux-headers/linux')
| -rw-r--r-- | linux-headers/linux/mman.h | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/linux-headers/linux/mman.h b/linux-headers/linux/mman.h new file mode 100644 index 0000000000..3c44b6f480 --- /dev/null +++ b/linux-headers/linux/mman.h @@ -0,0 +1,38 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ +#ifndef _LINUX_MMAN_H +#define _LINUX_MMAN_H + +#include <asm/mman.h> +#include <asm-generic/hugetlb_encode.h> + +#define MREMAP_MAYMOVE 1 +#define MREMAP_FIXED 2 + +#define OVERCOMMIT_GUESS 0 +#define OVERCOMMIT_ALWAYS 1 +#define OVERCOMMIT_NEVER 2 + +/* + * Huge page size encoding when MAP_HUGETLB is specified, and a huge page + * size other than the default is desired. See hugetlb_encode.h. + * All known huge page size encodings are provided here. It is the + * responsibility of the application to know which sizes are supported on + * the running system. See mmap(2) man page for details. + */ +#define MAP_HUGE_SHIFT HUGETLB_FLAG_ENCODE_SHIFT +#define MAP_HUGE_MASK HUGETLB_FLAG_ENCODE_MASK + +#define MAP_HUGE_64KB HUGETLB_FLAG_ENCODE_64KB +#define MAP_HUGE_512KB HUGETLB_FLAG_ENCODE_512KB +#define MAP_HUGE_1MB HUGETLB_FLAG_ENCODE_1MB +#define MAP_HUGE_2MB HUGETLB_FLAG_ENCODE_2MB +#define MAP_HUGE_8MB HUGETLB_FLAG_ENCODE_8MB +#define MAP_HUGE_16MB HUGETLB_FLAG_ENCODE_16MB +#define MAP_HUGE_32MB HUGETLB_FLAG_ENCODE_32MB +#define MAP_HUGE_256MB HUGETLB_FLAG_ENCODE_256MB +#define MAP_HUGE_512MB HUGETLB_FLAG_ENCODE_512MB +#define MAP_HUGE_1GB HUGETLB_FLAG_ENCODE_1GB +#define MAP_HUGE_2GB HUGETLB_FLAG_ENCODE_2GB +#define MAP_HUGE_16GB HUGETLB_FLAG_ENCODE_16GB + +#endif /* _LINUX_MMAN_H */ |