On Fri, Dec 20, 2013 at 05:31:29AM +0900, Linus Torvalds wrote: > On Fri, Dec 20, 2013 at 5:11 AM, Linus Torvalds > <torva...@linux-foundation.org> wrote: > > > > So here's the same patch, but with stuff moved around a bit, and the > > "oops, couldn't create page" part fixed. > > > > Bit it's still totally and entirely untested. > > Btw, I think this actually fixes a bug, in that it doesn't leak the > page reference count if the do_mmap_pgoff() call fails. > > That said, that looks like just a memory leak, not explaining the > problem Dave sees. And maybe I'm missing something. > > And no, I still haven't actually tested this at all. Is there an aio > tester that is worth trying?
There are a few tests in the libaio source, some in xfstests and fio, and a few I've got sitting around. To specifically exercise the page migration code path, there's a test at http://www.kvack.org/~bcrl/aio-numa-test.c . -ben > Linus -- "Thought is the essence of where you are now." -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
