[PATCH] of: unmap memory regions in /memreserve node
From: Calvin Zhang <hidden>
Date: 2021-11-24 14:35:24
Also in:
lkml
Subsystem:
open firmware and flattened device tree, the rest · Maintainers:
Rob Herring, Saravana Kannan, Linus Torvalds
Reserved memory regions in /memreserve node aren't and shouldn't be referenced elsewhere. So mark them no-map to skip direct mapping for them. Signed-off-by: Calvin Zhang <redacted> --- drivers/of/fdt.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/of/fdt.c b/drivers/of/fdt.c
index bdca35284ceb..9e88cc8445f6 100644
--- a/drivers/of/fdt.c
+++ b/drivers/of/fdt.c@@ -638,7 +638,7 @@ void __init early_init_fdt_scan_reserved_mem(void) fdt_get_mem_rsv(initial_boot_params, n, &base, &size); if (!size) break; - early_init_dt_reserve_memory_arch(base, size, false); + early_init_dt_reserve_memory_arch(base, size, true); } fdt_scan_reserved_mem();
--
2.30.2