On 3/21/23 01:30, Geert Uytterhoeven wrote: > sh/migor_defconfig: > > mm/slab.c: In function ‘slab_memory_callback’: > mm/slab.c:1127:23: error: implicit declaration of function ‘init_cache_node_node’; did you mean ‘drain_cache_node_node’? [-Werror=implicit-function-declaration] > 1127 | ret = init_cache_node_node(nid); > | ^~~~~~~~~~~~~~~~~~~~ > | drain_cache_node_node > > The #ifdef condition protecting the definition of init_cache_node_node() > no longer matches the conditions protecting the (multiple) users. > > Fix this by syncing the conditions. > > Fixes: 76af6a054da40553 ("mm/migrate: add CPU hotplug to demotion #ifdef") > Reported-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx> > Link: https://lore.kernel.org/r/b5bdea22-ed2f-3187-6efe-0c72330270a4@xxxxxxxxxxxxx > Signed-off-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx> Acked-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx> Thanks. > --- > mm/slab.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/mm/slab.c b/mm/slab.c > index ba454246ee13dd4d..de1523a78f2e7367 100644 > --- a/mm/slab.c > +++ b/mm/slab.c > @@ -839,7 +839,7 @@ static int init_cache_node(struct kmem_cache *cachep, int node, gfp_t gfp) > return 0; > } > > -#if (defined(CONFIG_NUMA) && defined(CONFIG_MEMORY_HOTPLUG)) || defined(CONFIG_SMP) > +#if defined(CONFIG_NUMA) || defined(CONFIG_SMP) > /* > * Allocates and initializes node for a node on each slab cache, used for > * either memory or cpu hotplug. If memory is being hot-added, the kmem_cache_node -- ~Randy