On Sat, Dec 18, 2021 at 01:20:11PM -0800, Yury Norov wrote: > Similarly to the online cpus, the cpu_active_mask is actively used > in the kernel. This patch adds a counter for active cpus, so that > users that call num_active_cpus() would know the result immediately, > instead of calling the bitmap_weight for the mask. Who cares about num_active_cpus() ? > +EXPORT_SYMBOL(set_cpu_active); NAK, this should *never*ever* be used from a module.
