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
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.
Suggested-by: Nicholas Piggin
Signed-off-by:
