X-Git-Url: http://pilppa.org/gitweb/?a=blobdiff_plain;f=Documentation%2Fnommu-mmap.txt;h=7714f57caad5b4312e7289761c0561c68b822049;hb=169b6a7a6e91e1ea32136681b475cbaf2074bf35;hp=4db7c18bf68c4e79fcfdcbc8f760bca9482706df;hpb=0112c4c6461fed12ed9bcb249f967bc17a23f6c4;p=linux-2.6-omap-h63xx.git diff --git a/Documentation/nommu-mmap.txt b/Documentation/nommu-mmap.txt index 4db7c18bf68..7714f57caad 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 on ramfs or tmpfs mounts. +======= +FUTEXES +======= + +Futexes are supported in NOMMU mode if the arch supports them. An error will +be given if an address passed to the futex system call lies outside the +mappings made by a process or if the mapping in which the address lies does not +support futexes (such as an I/O chardev mapping). + + ============= NO-MMU MREMAP =============