May 16, 2024 at 6:03 PM, "Kefeng Wang" <wangkefeng.wang@xxxxxxxxxx> wrote: > > On 2024/5/16 17:17, Yajun Deng wrote: > > > > > The nid passed to cma_declare_contiguous_nid() may be NUMA_NO_NODE, > > > > which is not the actual nid. To get the correct nid, we can get the nid > > > > from physical address. > > > > Please check > > https://lore.kernel.org/linux-riscv/47437c2b-5946-41c6-ad1b-cc03329eb230@xxxxxxxxxx/ > Okay, thanks! > > > > Signed-off-by: Yajun Deng <yajun.deng@xxxxxxxxx> > > > > --- > > > > mm/cma.c | 1 + > > > > 1 file changed, 1 insertion(+) > > > > diff --git a/mm/cma.c b/mm/cma.c > > > > index 3e9724716bad..be6cdde32944 100644 > > > > --- a/mm/cma.c > > > > +++ b/mm/cma.c > > > > @@ -361,6 +361,7 @@ int __init cma_declare_contiguous_nid(phys_addr_t base, > > > > kmemleak_ignore_phys(addr); > > > > base = addr; > > > > } > > > > + nid = early_pfn_to_nid(PHYS_PFN(base)); > > > > > ret = cma_init_reserved_mem(base, size, order_per_bit, name, res_cma); > > > > if (ret) > > >
