min On 11/23/2018 04:06 PM, David Hildenbrand wrote: > On 23.11.18 10:54, Anshuman Khandual wrote: >> At present there are multiple places where invalid node number is encoded >> as -1. Even though implicitly understood it is always better to have macros >> in there. Replace these open encodings for an invalid node number with the >> global macro NUMA_NO_NODE. This helps remove NUMA related assumptions like >> 'invalid node' from various places redirecting them to a common definition. >> >> Signed-off-by: Anshuman Khandual <anshuman.khandual@xxxxxxx> >> --- >> >> Changes in V1: >> >> - Dropped OCFS2 changes per Joseph >> - Dropped media/video drivers changes per Hans >> >> RFC - https://patchwork.kernel.org/patch/10678035/ >> >> Build tested this with multiple cross compiler options like alpha, sparc, >> arm64, x86, powerpc, powerpc64le etc with their default config which might >> not have compiled tested all driver related changes. I will appreciate >> folks giving this a test in their respective build environment. >> >> All these places for replacement were found by running the following grep >> patterns on the entire kernel code. Please let me know if this might have >> missed some instances. This might also have replaced some false positives. >> I will appreciate suggestions, inputs and review. >> >> 1. git grep "nid == -1" >> 2. git grep "node == -1" >> 3. git grep "nid = -1" >> 4. git grep "node = -1" > > Hopefully you found most users :) I hope so :) > > Did you check if some are encoded into function calls? f(-1, ...) Not really. Just wondering how do we even search for it. There might be higher level functions passing down -1 to core MM. If you have some instances in mind which need replacement I will accommodate them. > > Reviewed-by: David Hildenbrand <david@xxxxxxxxxx> Thanks for the review.