Matthew Wilcox wrote: > On Tue, Oct 21, 2008 at 06:28:01PM +0200, Miklos Szeredi wrote: > > On Tue, 21 Oct 2008, Miklos Szeredi wrote: > > > BTW, why do you want strict coherency for memory mappings? It's not > > > something POSIX mandates. It's not even something that Linux always > > > did. > > > > Or does, for that matter, on those architectures which have virtually > > addressed caches. > > Careful with those slurs you're throwing around. PA-RISC carefully > aligns its mmaps so they are coherent. (Unless you use MAP_FIXED?) Last time I looked at the coherency code, there appeared to be a few bugs on some architectures, but I didn't have the architectures to test and confirm them. It was a long time ago, in the 2.4 era though. -- Jamie -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
