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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Peng Fan commit 1a8e1cef7603 ("arm64: use both ZONE_DMA and ZONE_DMA32") enables both ZONE_DMA and ZONE_DMA32. The lower 1GB memory will be occupied by ZONE_DMA, this will cause CMA allocation fail on some platforms, because CMA area could not across different type of memory zones. Make CONFIG_ZONE_DMA configurable without EXPERT option could let people build non debug kernel image with CONFIG_ZONE_DMA disabled. Signed-off-by: Peng Fan --- arch/arm64/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index 217e12ff2115..c4ba8bf011e1 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -270,7 +270,7 @@ config GENERIC_CALIBRATE_DELAY def_bool y config ZONE_DMA - bool "Support DMA zone" if EXPERT + bool "Support DMA zone" default y config ZONE_DMA32 -- 2.16.4 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel