Messages in this thread Patch in this message | | | From | Greg Kroah-Hartman <> | Subject | [PATCH 5.11 336/775] fdt: Properly handle "no-map" field in the memory region | Date | Mon, 1 Mar 2021 17:08:24 +0100 |
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From: KarimAllah Ahmed <karahmed@amazon.de>
[ Upstream commit 86588296acbfb1591e92ba60221e95677ecadb43 ]
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: KarimAllah Ahmed <karahmed@amazon.de> Signed-off-by: Quentin Perret <qperret@google.com> Link: https://lore.kernel.org/r/20210115114544.1830068-2-qperret@google.com Signed-off-by: Rob Herring <robh@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org> --- 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 feb0f2d67fc5f..427b534d60d2d 100644 --- a/drivers/of/fdt.c +++ b/drivers/of/fdt.c @@ -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); } -- 2.27.0
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