We're allocating a higher-order page from the buddy. For these pages (that are guaranteed to not exceed a single memory section) there is no need to use nth_page().
Reviewed-by: Lorenzo Stoakes lorenzo.stoakes@oracle.com Acked-by: Liam R. Howlett Liam.Howlett@oracle.com Signed-off-by: David Hildenbrand david@redhat.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 fe31aa19db81a..4efa74a495cb6 100644 --- a/mm/percpu-km.c +++ b/mm/percpu-km.c @@ -69,7 +69,7 @@ static struct pcpu_chunk *pcpu_create_chunk(gfp_t gfp) }
for (i = 0; i < nr_pages; i++) - pcpu_set_page_chunk(nth_page(pages, i), chunk); + pcpu_set_page_chunk(pages + i, chunk);
chunk->data = pages; chunk->base_addr = page_address(pages);