On Wed, 7 Mar 2018 11:37:18 +1000 Nicholas Piggin <npig...@gmail.com> wrote:
> The number of high slices a process might use now depends on its > address space size, and what allocation address it has requested. > > This patch uses that limit throughout call chains where possible, > rather than use the fixed SLICE_NUM_HIGH for bitmap operations. > This saves some cost for processes that don't use very large address > spaces. > > Perormance numbers aren't changed significantly, this may change > with larger address spaces or different mmap access patterns that > require more slice mask building. Ignore this patch in the series. I didn't intend to send it. Thanks, Nick
