On Thu, 9 Feb 2012 00:19:31 +0100, Ben Widawsky <ben@xxxxxxxxxxxx> wrote: > Mostly copied from i915 gtt mmaps, this will properly fault in pages as > the user tries to use them. The only thing of note are that no > prefaulting occurs, so perhaps some kind of madvise will happen later if > needed. > > The only other thing missing right not is shrinker support, which will > come next after I figure out if locking is actually required right now. > Hmm, and now that I think about it, mremap, and munmap may not work > either. I still think the mmap ioctl should be fixed to just get the mmap offset, and you use the normal mmap() syscall later. The do_mmap-in-the-ioctl in the original GEM implementation was a bad idea.
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