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authorLucas Stach <l.stach@pengutronix.de>2017-02-24 14:58:44 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2017-02-24 17:46:55 -0800
commit712c604dcdf8186295e2af694adf52c6842ad100 (patch)
tree4b2dbb4c4c6124a083d8a9ba039fcd664ac7c14a /drivers/iommu
parente2f466e32f56c8b3ee0d1a40cc39e1c779dfd598 (diff)
downloadop-kernel-dev-712c604dcdf8186295e2af694adf52c6842ad100.zip
op-kernel-dev-712c604dcdf8186295e2af694adf52c6842ad100.tar.gz
mm: wire up GFP flag passing in dma_alloc_from_contiguous
The callers of the DMA alloc functions already provide the proper context GFP flags. Make sure to pass them through to the CMA allocator, to make the CMA compaction context aware. Link: http://lkml.kernel.org/r/20170127172328.18574-3-l.stach@pengutronix.de Signed-off-by: Lucas Stach <l.stach@pengutronix.de> Acked-by: Vlastimil Babka <vbabka@suse.cz> Acked-by: Michal Hocko <mhocko@suse.com> Cc: Radim Krcmar <rkrcmar@redhat.com> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Will Deacon <will.deacon@arm.com> Cc: Chris Zankel <chris@zankel.net> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: Paolo Bonzini <pbonzini@redhat.com> Cc: Alexander Graf <agraf@suse.com> Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/iommu')
-rw-r--r--drivers/iommu/amd_iommu.c2
-rw-r--r--drivers/iommu/intel-iommu.c2
2 files changed, 2 insertions, 2 deletions
diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c
index 1b5b8c5..09bd3b2 100644
--- a/drivers/iommu/amd_iommu.c
+++ b/drivers/iommu/amd_iommu.c
@@ -2672,7 +2672,7 @@ static void *alloc_coherent(struct device *dev, size_t size,
return NULL;
page = dma_alloc_from_contiguous(dev, size >> PAGE_SHIFT,
- get_order(size));
+ get_order(size), flag);
if (!page)
return NULL;
}
diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c
index f5e02f8..a8f7ae0 100644
--- a/drivers/iommu/intel-iommu.c
+++ b/drivers/iommu/intel-iommu.c
@@ -3829,7 +3829,7 @@ static void *intel_alloc_coherent(struct device *dev, size_t size,
if (gfpflags_allow_blocking(flags)) {
unsigned int count = size >> PAGE_SHIFT;
- page = dma_alloc_from_contiguous(dev, count, order);
+ page = dma_alloc_from_contiguous(dev, count, order, flags);
if (page && iommu_no_mapping(dev) &&
page_to_phys(page) + size > dev->coherent_dma_mask) {
dma_release_from_contiguous(dev, page, count);
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