On Sun, Feb 24, 2019 at 01:13:43PM +0000, Peng Fan wrote: > percpu-km could only be selected by NEED_PER_CPU_KM which > depends on !SMP, so CONFIG_SMP will be false when choose percpu-km. > > Signed-off-by: Peng Fan <peng....@nxp.com> > --- > mm/percpu-km.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/mm/percpu-km.c b/mm/percpu-km.c > index 0f643dc2dc65..66e5598be876 100644 > --- a/mm/percpu-km.c > +++ b/mm/percpu-km.c > @@ -27,7 +27,7 @@ > * chunk size is not aligned. percpu-km code will whine about it. > */ > > -#if defined(CONFIG_SMP) && defined(CONFIG_NEED_PER_CPU_PAGE_FIRST_CHUNK) > +#if defined(CONFIG_NEED_PER_CPU_PAGE_FIRST_CHUNK) > #error "contiguous percpu allocation is incompatible with paged first chunk" > #endif > > -- > 2.16.4 >
Hi, I think keeping CONFIG_SMP makes this easier to remember dependencies rather than having to dig into the config. So this is a NACK from me. Thanks, Dennis
