diff options
author | Andreas Gruenbacher <agruenba@redhat.com> | 2017-10-16 15:06:23 +0200 |
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committer | Andreas Gruenbacher <agruenba@redhat.com> | 2017-10-16 15:06:23 +0200 |
commit | 0c9a66ec0e362fe9aff545b755430e56f58f2b96 (patch) | |
tree | 3ffc63e84133d640b9d7def9102ab62a30da460e /tools/include/uapi/linux/mman.h | |
parent | c2c4be28c248232d5bdfa5911f3b721db771f4f0 (diff) | |
parent | 9ca250a5137f3df7ffac58b49660beadd5926ace (diff) |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4
Diffstat (limited to 'tools/include/uapi/linux/mman.h')
-rw-r--r-- | tools/include/uapi/linux/mman.h | 24 |
1 files changed, 23 insertions, 1 deletions
diff --git a/tools/include/uapi/linux/mman.h b/tools/include/uapi/linux/mman.h index 81d8edf11789..a937480d7cd3 100644 --- a/tools/include/uapi/linux/mman.h +++ b/tools/include/uapi/linux/mman.h @@ -1,7 +1,8 @@ #ifndef _UAPI_LINUX_MMAN_H #define _UAPI_LINUX_MMAN_H -#include <uapi/asm/mman.h> +#include <asm/mman.h> +#include <asm-generic/hugetlb_encode.h> #define MREMAP_MAYMOVE 1 #define MREMAP_FIXED 2 @@ -10,4 +11,25 @@ #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_256MB HUGETLB_FLAG_ENCODE_256MB +#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 /* _UAPI_LINUX_MMAN_H */ |