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/
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)
