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From: Nicolas Boichat <drinkcat@chromium.org>
To: Robin Murphy <robin.murphy@arm.com>
Cc: Will Deacon <will.deacon@arm.com>, Joerg Roedel <joro@8bytes.org>,
	Christoph Lameter <cl@linux.com>,
	Pekka Enberg <penberg@kernel.org>,
	David Rientjes <rientjes@google.com>,
	Joonsoo Kim <iamjoonsoo.kim@lge.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	Vlastimil Babka <vbabka@suse.cz>, Michal Hocko <mhocko@suse.com>,
	Mel Gorman <mgorman@techsingularity.net>,
	Levin Alexander <alexander.levin@verizon.com>,
	Huaisheng Ye <yehs1@lenovo.com>,
	Mike Rapoport <rppt@linux.vnet.ibm.com>,
	linux-arm-kernel@lists.infradead.org,
	iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org,
	linux-mm@kvack.org, Yong Wu <yong.wu@mediatek.com>,
	Matthias Brugger <matthias.bgg@gmail.com>,
	Tomasz Figa <tfiga@google.com>,
	yingjoe.chen@mediatek.com
Subject: [PATCH RFC 0/3] iommu/io-pgtable-arm-v7s: Use DMA32 zone for page tables
Date: Fri,  9 Nov 2018 16:24:45 +0800	[thread overview]
Message-ID: <20181109082448.150302-1-drinkcat@chromium.org> (raw)

This is a follow-up to the discussion in [1], to make sure that the page tables
allocated by iommu/io-pgtable-arm-v7s are contained within 32-bit physical
address space.

[1] https://lists.linuxfoundation.org/pipermail/iommu/2018-November/030876.html

Nicolas Boichat (3):
  mm: When CONFIG_ZONE_DMA32 is set, use DMA32 for SLAB_CACHE_DMA
  include/linux/gfp.h: Add __get_dma32_pages macro
  iommu/io-pgtable-arm-v7s: Request DMA32 memory, and improve debugging

 drivers/iommu/io-pgtable-arm-v7s.c |  6 ++++--
 include/linux/gfp.h                |  2 ++
 include/linux/slab.h               | 13 ++++++++++++-
 mm/slab.c                          |  2 +-
 mm/slub.c                          |  2 +-
 5 files changed, 20 insertions(+), 5 deletions(-)

-- 
2.19.1.930.g4563a0d9d0-goog


             reply	other threads:[~2018-11-09  8:25 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-11-09  8:24 Nicolas Boichat [this message]
2018-11-09  8:24 ` [PATCH RFC 1/3] mm: When CONFIG_ZONE_DMA32 is set, use DMA32 for SLAB_CACHE_DMA Nicolas Boichat
2018-11-09 10:43   ` Vlastimil Babka
2018-11-09 11:57     ` Nicolas Boichat
2018-11-09 12:14       ` Vlastimil Babka
2018-11-09  8:24 ` [PATCH RFC 2/3] include/linux/gfp.h: Add __get_dma32_pages macro Nicolas Boichat
2018-11-09  8:24 ` [PATCH RFC 3/3] iommu/io-pgtable-arm-v7s: Request DMA32 memory, and improve debugging Nicolas Boichat

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