Messages in this thread |  | | From | Peter.Ronnquist@nokia ... | Subject | RE: shared memory, mmap not recommended? | Date | Tue, 5 Dec 2000 10:02:13 +0200 |
| |
> [Linus] > > > (otherwise I'll just end up disabling shared mmap - I > doubt anybody > > > really uses it anyway, but it would be more polite to just support > > > it). > > [Peter Rönnquist] > > I was thinking about using mmap for shared mememory in my program, > > but now I am reconsidering. Is the System V or Posix mechanism for > > shared memory a better(it will be supported in 2.4) choice? > > [Peter Samuelson] > Linus was talking about shared mmap on a file in an smbfs filesystem. > Rather different from what you are talking about. For regular shared > memory, shared mmap should be OK if you actually need backing store > (i.e. the state you are sharing is persistent). Often this is not the > case, in which case POSIX shm might be best. >
I see, thanks a lot for the clarification.
BR Peter Rönnquist - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org Please read the FAQ at http://www.tux.org/lkml/
|  |