diff options
Diffstat (limited to 'Documentation')
-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 | ============= |