On Wed, Oct 22, 2008 at 04:02:22PM +0200, Miklos Szeredi wrote: > On Wed, 22 Oct 2008, Matthew Wilcox wrote: > > On Wed, Oct 22, 2008 at 01:48:29PM +0100, Jamie Lokier wrote: > > > Matthew Wilcox wrote: > > > > Careful with those slurs you're throwing around. PA-RISC carefully > > > > aligns its mmaps so they are coherent. > > > > > > (Unless you use MAP_FIXED?) > > > > Doctor, it hurts when I point this gun at my foot and pull the trigger > > ... > > And remap_file_pages() also. Neither that nor MAP_FIXED are widely > used, but still, coherency is not a completely solved issue. remap_file_pages() only hurts if you map the same page more than once (which is permitted, but again, I don't think anyone actually does that). -- Matthew Wilcox Intel Open Source Technology Centre "Bill, look, we understand that you're interested in selling us this operating system, but compare it to ours. We can't possibly take such a retrograde step." -- 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
