On Wed, 16 Oct 2024 01:03:33 -0700, hch@xxxxxxxxxxxxx wrote: >> OK I know what you mean. It is indeed OK to remove "extern", but all function >> declarations in the rwsem.h have the "extern" prefix. I think it would be >> better to keep it consistent. > >They are pointless and should never be added. OK I will remove it in v2. Thanks!