Hello, Sathyanarayanan. > > I agree with Dave. I don't think this issue is related to NUMA. The problem > here is about the logic we use to find appropriate vm_area that satisfies > the offset and size requirements of pcpu memory allocator. > > In my test case, I can reproduce this issue if we make request with offset > (ffff000000) and size (600000). > Just to clarify, does it mean that on your setup you have only one area with the 600000 size and 0xffff000000 offset? Thank you. -- Vlad Rezki