From mboxrd@z Thu Jan 1 00:00:00 1970 From: tony@atomide.com (Tony Lindgren) Date: Wed, 6 Sep 2017 06:30:57 -0700 Subject: n900 in next-20170901 In-Reply-To: <20170905233241.GA19231@js1304-P5Q-DELUXE> References: <20170903203737.GA12475@amd> <20170905201314.GE5024@atomide.com> <20170905233241.GA19231@js1304-P5Q-DELUXE> Message-ID: <20170906133057.GH5024@atomide.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Hi, * Joonsoo Kim [170905 16:32]: > I think that I made a mistake for configuration CONFIG_HIGHMEM=y and > CONFIG_HAVE_MEMBLOCK_NODE_MAP=y. In this case, the MOVABLE_ZONE can > be *!highmem*. Could you check that your configuration have above > options? CONFIG_HIGHMEM is set yeah. > And, could you check that following patch works for you? Does not seem to help, tried against next with just 9caf25f996e8 revert and also with 9caf25f996e8. Regards, Tony > ------------>8----------------- > diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c > index 38f0fde..4c39c92 100644 > --- a/arch/arm/mm/dma-mapping.c > +++ b/arch/arm/mm/dma-mapping.c > @@ -518,7 +518,7 @@ void __init dma_contiguous_remap(void) > * considered as highmem even if it's physical address belong > * to lowmem. Therefore, re-mapping isn't required. > */ > - if (!IS_ENABLED(CONFIG_HIGHMEM)) > + if (!is_highmem_idx(ZONE_MOVABLE)) > iotable_init(&map, 1); > } > } >