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Diffstat (limited to 'Documentation/nommu-mmap.txt')
| -rw-r--r-- | Documentation/nommu-mmap.txt | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/Documentation/nommu-mmap.txt b/Documentation/nommu-mmap.txt index 4db7c18bf68c..7714f57caad5 100644 --- a/Documentation/nommu-mmap.txt +++ b/Documentation/nommu-mmap.txt | |||
| @@ -138,6 +138,16 @@ mode. The former through the usual mechanism, the latter through files created | |||
| 138 | on ramfs or tmpfs mounts. | 138 | on ramfs or tmpfs mounts. |
| 139 | 139 | ||
| 140 | 140 | ||
| 141 | ======= | ||
| 142 | FUTEXES | ||
| 143 | ======= | ||
| 144 | |||
| 145 | Futexes are supported in NOMMU mode if the arch supports them. An error will | ||
| 146 | be given if an address passed to the futex system call lies outside the | ||
| 147 | mappings made by a process or if the mapping in which the address lies does not | ||
| 148 | support futexes (such as an I/O chardev mapping). | ||
| 149 | |||
| 150 | |||
| 141 | ============= | 151 | ============= |
| 142 | NO-MMU MREMAP | 152 | NO-MMU MREMAP |
| 143 | ============= | 153 | ============= |