Commit 86588296 authored by KarimAllah Ahmed's avatar KarimAllah Ahmed Committed by Rob Herring
Browse files

fdt: Properly handle "no-map" field in the memory region 



Mark the memory region with NOMAP flag instead of completely removing it
from the memory blocks. That makes the FDT handling consistent with the EFI
memory map handling.

Cc: Rob Herring <robh+dt@kernel.org>
Cc: Frank Rowand <frowand.list@gmail.com>
Cc: devicetree@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: default avatarKarimAllah Ahmed <karahmed@amazon.de>
Signed-off-by: default avatarQuentin Perret <qperret@google.com>
Link: https://lore.kernel.org/r/20210115114544.1830068-2-qperret@google.com


Signed-off-by: default avatarRob Herring <robh@kernel.org>
parent 12e17243

drivers/of/fdt.c

+1 −1
Original line number Diff line number Diff line
@@ -1147,7 +1147,7 @@ int __init __weak early_init_dt_reserve_memory_arch(phys_addr_t base, 
					phys_addr_t size, bool nomap)

{

	if (nomap)

		return memblock_remove(base, size);

		return memblock_mark_nomap(base, size);

	return memblock_reserve(base, size);

}