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| author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2015-01-15 20:46:14 +0300 |
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| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2015-01-15 20:46:14 +0300 |
| commit | 0c49cd295d42d0032af11d55e2140dbec11dc8d0 (patch) | |
| tree | 1e7d0e50b6b6d6e4de1fb6bb0b6d856c3932da58 /Documentation/vm/hugetlbpage.txt | |
| parent | 0c3e99437a66e4c869c60c2398449e6d98f3a988 (diff) | |
| parent | eaa27f34e91a14cdceed26ed6c6793ec1d186115 (diff) | |
| download | linux-0c49cd295d42d0032af11d55e2140dbec11dc8d0.tar.xz | |
Merge tag 'v3.19-rc4' into next
Merge with mainline to bring in the latest thermal and other changes.
Diffstat (limited to 'Documentation/vm/hugetlbpage.txt')
| -rw-r--r-- | Documentation/vm/hugetlbpage.txt | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/Documentation/vm/hugetlbpage.txt b/Documentation/vm/hugetlbpage.txt index bdd4bb97fff7..f2d3a100fe38 100644 --- a/Documentation/vm/hugetlbpage.txt +++ b/Documentation/vm/hugetlbpage.txt @@ -1,8 +1,8 @@ The intent of this file is to give a brief summary of hugetlbpage support in the Linux kernel. This support is built on top of multiple page size support -that is provided by most modern architectures. For example, i386 -architecture supports 4K and 4M (2M in PAE mode) page sizes, ia64 +that is provided by most modern architectures. For example, x86 CPUs normally +support 4K and 2M (1G if architecturally supported) page sizes, ia64 architecture supports multiple page sizes 4K, 8K, 64K, 256K, 1M, 4M, 16M, 256M and ppc64 supports 4K and 16M. A TLB is a cache of virtual-to-physical translations. Typically this is a very scarce resource on processor. @@ -274,7 +274,7 @@ This command mounts a (pseudo) filesystem of type hugetlbfs on the directory /mnt/huge. Any files created on /mnt/huge uses huge pages. The uid and gid options sets the owner and group of the root of the file system. By default the uid and gid of the current process are taken. The mode option sets the -mode of root of file system to value & 0777. This value is given in octal. +mode of root of file system to value & 01777. This value is given in octal. By default the value 0755 is picked. The size option sets the maximum value of memory (huge pages) allowed for that filesystem (/mnt/huge). The size is rounded down to HPAGE_SIZE. The option nr_inodes sets the maximum number of |