Hi, On Sat, Mar 06, 2010 at 03:00:48AM +0100, Johannes Weiner wrote: > What's with expand_stack()? This changes the radix index or the heap > index, depending on the direction in which the stack grows, but it > does not adjust the tree and so its order is violated. Did you make > sure that this is fine? Ooops! Thanks for the hint. Not only expand stack but also vma_adjust (aka vma_merge) need to update the tree, I guess. However, it is somewhat odd that this did not trigger anything in my tests. I guess I have to come up with a testcase that properly checks this case. regards Christian -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxxx For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx"> email@xxxxxxxxx </a>