sched/topology: Optimize build_group_mask()
authorLauro Ramos Venancio <lvenanci@redhat.com>
Thu, 20 Apr 2017 19:51:40 +0000 (16:51 -0300)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Fri, 21 Jul 2017 05:42:23 +0000 (07:42 +0200)
commit3e165b2322c6a7e50031cb91ef95ee6cb4e1d163
treece5c0ca8ce0b8ee6eab2ccc598ac77acd0c4b9f3
parent7c3f08eadcfdfca74b2563e941e645b52cc34622
sched/topology: Optimize build_group_mask()

commit f32d782e31bf079f600dcec126ed117b0577e85c upstream.

The group mask is always used in intersection with the group CPUs. So,
when building the group mask, we don't have to care about CPUs that are
not part of the group.

Signed-off-by: Lauro Ramos Venancio <lvenanci@redhat.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: lwang@redhat.com
Cc: riel@redhat.com
Link: http://lkml.kernel.org/r/1492717903-5195-2-git-send-email-lvenanci@redhat.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
kernel/sched/core.c