Commit 7102b3bb authored by Yury Norov's avatar Yury Norov
Browse files

lib/cpumask: delete misleading comment 



The comment says that HOTPLUG config option enables all cpus in
cpu_possible_mask up to NR_CPUs. This is wrong. Even if HOTPLUG is
enabled, the mask is populated on boot with respect to ACPI/DT records.

Signed-off-by: default avatarYury Norov <yury.norov@gmail.com>
parent 38bef8e5

include/linux/cpumask.h

+0 −4
Original line number Original line Diff line number Diff line
@@ -72,10 +72,6 @@ static inline void set_nr_cpu_ids(unsigned int nr) 
 *  cpu_online_mask is the dynamic subset of cpu_present_mask,

 *  cpu_online_mask is the dynamic subset of cpu_present_mask,

 *  indicating those CPUs available for scheduling.

 *  indicating those CPUs available for scheduling.

 *

 *

 *  If HOTPLUG is enabled, then cpu_possible_mask is forced to have

 *  all NR_CPUS bits set, otherwise it is just the set of CPUs that

 *  ACPI reports present at boot.

 *

 *  If HOTPLUG is enabled, then cpu_present_mask varies dynamically,

 *  If HOTPLUG is enabled, then cpu_present_mask varies dynamically,

 *  depending on what ACPI reports as currently plugged in, otherwise

 *  depending on what ACPI reports as currently plugged in, otherwise

 *  cpu_present_mask is just a copy of cpu_possible_mask.

 *  cpu_present_mask is just a copy of cpu_possible_mask.