On Wed, Jul 23, 2014 at 10:12:35AM -0700, Linus Torvalds wrote: > On Wed, Jul 23, 2014 at 10:03 AM, Peter Zijlstra <pet...@infradead.org> wrote: > > On Wed, Jul 23, 2014 at 09:54:23AM -0700, Linus Torvalds wrote: > >> > >> And I wonder if I have a clue. Look, load_balance_mask is a > >> "cpumask_var_t", but I don't see a "alloc_cpumask_var()" for it. > >> That's broken with CONFIG_CPUMASK_OFFSTACK. > > > > kernel/sched/core.c:sched_init() > > > > plays horrible allocation tricks.. > > No it does not. It allocates a cpumask. Nothing more. If you think it > allocates a "cpumask_var()", you are wrong.
I was merely saying 'something' got allocated, but yes I'll agree its not a cpumask_var_t thingy. > I agree that the code is an unreadable mess, but that's what > "cpumask_size()" is: the minimum required size of the bitmask in a > cpumask. Latest patch cures at least this part of that mess. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
