On Wed, Mar 01, 2017 at 01:40:33PM +0900, Byungchul Park wrote: > Right. I decided to force MAX_XHLOCKS_NR to be power of 2 and everything > became easy. Thank you very much.
Something like: BUILD_BUG_ON(MAX_XHLOCKS_NR & (MAX_XHLOCK_NR - 1)); Should enforce I think.