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+0000, Matthew Wilcox (Oracle) wrote: > Each page knows which node it belongs to, so there's no need to > convert to a folio. > > Signed-off-by: Matthew Wilcox (Oracle) > --- Nice observation! Looks good to me, Reviewed-by: Harry Yoo > mm/slub.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/mm/slub.c b/mm/slub.c > index e4a02586dacf..e6a330e24145 100644 > --- a/mm/slub.c > +++ b/mm/slub.c > @@ -5126,7 +5126,7 @@ void *alloc_from_pcs(struct kmem_cache *s, gfp_t gfp, int node) > * be false because of cpu migration during an unlocked part of > * the current allocation or previous freeing process. > */ > - if (folio_nid(virt_to_folio(object)) != node) { > + if (page_to_nid(virt_to_page(object)) != node) { > local_unlock(&s->cpu_sheaves->lock); > return NULL; > } > -- > 2.47.2 > -- Cheers, Harry / Hyeonggon