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-rw-r--r--arch/arm/mm/dma-mapping.c16
-rw-r--r--arch/arm64/mm/dma-mapping.c4
-rw-r--r--arch/mips/mm/dma-default.c4
-rw-r--r--arch/x86/kernel/pci-dma.c3
-rw-r--r--arch/xtensa/kernel/pci-dma.c3
-rw-r--r--drivers/base/dma-contiguous.c5
-rw-r--r--drivers/iommu/amd_iommu.c2
-rw-r--r--drivers/iommu/intel-iommu.c2
-rw-r--r--include/linux/dma-contiguous.h4
9 files changed, 24 insertions, 19 deletions
diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c
index 82d3e79..6ffdf17 100644
--- a/arch/arm/mm/dma-mapping.c
+++ b/arch/arm/mm/dma-mapping.c
@@ -349,7 +349,7 @@ static void __dma_free_buffer(struct page *page, size_t size)
static void *__alloc_from_contiguous(struct device *dev, size_t size,
pgprot_t prot, struct page **ret_page,
const void *caller, bool want_vaddr,
- int coherent_flag);
+ int coherent_flag, gfp_t gfp);
static void *__alloc_remap_buffer(struct device *dev, size_t size, gfp_t gfp,
pgprot_t prot, struct page **ret_page,
@@ -420,7 +420,8 @@ static int __init atomic_pool_init(void)
*/
if (dev_get_cma_area(NULL))
ptr = __alloc_from_contiguous(NULL, atomic_pool_size, prot,
- &page, atomic_pool_init, true, NORMAL);
+ &page, atomic_pool_init, true, NORMAL,
+ GFP_KERNEL);
else
ptr = __alloc_remap_buffer(NULL, atomic_pool_size, gfp, prot,
&page, atomic_pool_init, true);
@@ -594,14 +595,14 @@ static int __free_from_pool(void *start, size_t size)
static void *__alloc_from_contiguous(struct device *dev, size_t size,
pgprot_t prot, struct page **ret_page,
const void *caller, bool want_vaddr,
- int coherent_flag)
+ int coherent_flag, gfp_t gfp)
{
unsigned long order = get_order(size);
size_t count = size >> PAGE_SHIFT;
struct page *page;
void *ptr = NULL;
- page = dma_alloc_from_contiguous(dev, count, order);
+ page = dma_alloc_from_contiguous(dev, count, order, gfp);
if (!page)
return NULL;
@@ -655,7 +656,7 @@ static inline pgprot_t __get_dma_pgprot(unsigned long attrs, pgprot_t prot)
#define __get_dma_pgprot(attrs, prot) __pgprot(0)
#define __alloc_remap_buffer(dev, size, gfp, prot, ret, c, wv) NULL
#define __alloc_from_pool(size, ret_page) NULL
-#define __alloc_from_contiguous(dev, size, prot, ret, c, wv, coherent_flag) NULL
+#define __alloc_from_contiguous(dev, size, prot, ret, c, wv, coherent_flag, gfp) NULL
#define __free_from_pool(cpu_addr, size) do { } while (0)
#define __free_from_contiguous(dev, page, cpu_addr, size, wv) do { } while (0)
#define __dma_free_remap(cpu_addr, size) do { } while (0)
@@ -697,7 +698,8 @@ static void *cma_allocator_alloc(struct arm_dma_alloc_args *args,
{
return __alloc_from_contiguous(args->dev, args->size, args->prot,
ret_page, args->caller,
- args->want_vaddr, args->coherent_flag);
+ args->want_vaddr, args->coherent_flag,
+ args->gfp);
}
static void cma_allocator_free(struct arm_dma_free_args *args)
@@ -1312,7 +1314,7 @@ static struct page **__iommu_alloc_buffer(struct device *dev, size_t size,
unsigned long order = get_order(size);
struct page *page;
- page = dma_alloc_from_contiguous(dev, count, order);
+ page = dma_alloc_from_contiguous(dev, count, order, gfp);
if (!page)
goto error;
diff --git a/arch/arm64/mm/dma-mapping.c b/arch/arm64/mm/dma-mapping.c
index 351f759..aff1d0a 100644
--- a/arch/arm64/mm/dma-mapping.c
+++ b/arch/arm64/mm/dma-mapping.c
@@ -107,7 +107,7 @@ static void *__dma_alloc_coherent(struct device *dev, size_t size,
void *addr;
page = dma_alloc_from_contiguous(dev, size >> PAGE_SHIFT,
- get_order(size));
+ get_order(size), flags);
if (!page)
return NULL;
@@ -390,7 +390,7 @@ static int __init atomic_pool_init(void)
if (dev_get_cma_area(NULL))
page = dma_alloc_from_contiguous(NULL, nr_pages,
- pool_size_order);
+ pool_size_order, GFP_KERNEL);
else
page = alloc_pages(GFP_DMA, pool_size_order);
diff --git a/arch/mips/mm/dma-default.c b/arch/mips/mm/dma-default.c
index a39c36a..1895a69 100644
--- a/arch/mips/mm/dma-default.c
+++ b/arch/mips/mm/dma-default.c
@@ -148,8 +148,8 @@ static void *mips_dma_alloc_coherent(struct device *dev, size_t size,
gfp = massage_gfp_flags(dev, gfp);
if (IS_ENABLED(CONFIG_DMA_CMA) && gfpflags_allow_blocking(gfp))
- page = dma_alloc_from_contiguous(dev,
- count, get_order(size));
+ page = dma_alloc_from_contiguous(dev, count, get_order(size),
+ gfp);
if (!page)
page = alloc_pages(gfp, get_order(size));
diff --git a/arch/x86/kernel/pci-dma.c b/arch/x86/kernel/pci-dma.c
index d30c377..d5c223c 100644
--- a/arch/x86/kernel/pci-dma.c
+++ b/arch/x86/kernel/pci-dma.c
@@ -91,7 +91,8 @@ again:
page = NULL;
/* CMA can be used only in the context which permits sleeping */
if (gfpflags_allow_blocking(flag)) {
- page = dma_alloc_from_contiguous(dev, count, get_order(size));
+ page = dma_alloc_from_contiguous(dev, count, get_order(size),
+ flag);
if (page && page_to_phys(page) + size > dma_mask) {
dma_release_from_contiguous(dev, page, count);
page = NULL;
diff --git a/arch/xtensa/kernel/pci-dma.c b/arch/xtensa/kernel/pci-dma.c
index 70e362e..34c1f9f 100644
--- a/arch/xtensa/kernel/pci-dma.c
+++ b/arch/xtensa/kernel/pci-dma.c
@@ -158,7 +158,8 @@ static void *xtensa_dma_alloc(struct device *dev, size_t size,
flag |= GFP_DMA;
if (gfpflags_allow_blocking(flag))
- page = dma_alloc_from_contiguous(dev, count, get_order(size));
+ page = dma_alloc_from_contiguous(dev, count, get_order(size),
+ flag);
if (!page)
page = alloc_pages(flag, get_order(size));
diff --git a/drivers/base/dma-contiguous.c b/drivers/base/dma-contiguous.c
index d1a9cba..b55804c 100644
--- a/drivers/base/dma-contiguous.c
+++ b/drivers/base/dma-contiguous.c
@@ -181,6 +181,7 @@ int __init dma_contiguous_reserve_area(phys_addr_t size, phys_addr_t base,
* @dev: Pointer to device for which the allocation is performed.
* @count: Requested number of pages.
* @align: Requested alignment of pages (in PAGE_SIZE order).
+ * @gfp_mask: GFP flags to use for this allocation.
*
* This function allocates memory buffer for specified device. It uses
* device specific contiguous memory area if available or the default
@@ -188,12 +189,12 @@ int __init dma_contiguous_reserve_area(phys_addr_t size, phys_addr_t base,
* function.
*/
struct page *dma_alloc_from_contiguous(struct device *dev, size_t count,
- unsigned int align)
+ unsigned int align, gfp_t gfp_mask)
{
if (align > CONFIG_CMA_ALIGNMENT)
align = CONFIG_CMA_ALIGNMENT;
- return cma_alloc(dev_get_cma_area(dev), count, align, GFP_KERNEL);
+ return cma_alloc(dev_get_cma_area(dev), count, align, gfp_mask);
}
/**
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);
diff --git a/include/linux/dma-contiguous.h b/include/linux/dma-contiguous.h
index fec734d..b67bf6a 100644
--- a/include/linux/dma-contiguous.h
+++ b/include/linux/dma-contiguous.h
@@ -112,7 +112,7 @@ static inline int dma_declare_contiguous(struct device *dev, phys_addr_t size,
}
struct page *dma_alloc_from_contiguous(struct device *dev, size_t count,
- unsigned int order);
+ unsigned int order, gfp_t gfp_mask);
bool dma_release_from_contiguous(struct device *dev, struct page *pages,
int count);
@@ -145,7 +145,7 @@ int dma_declare_contiguous(struct device *dev, phys_addr_t size,
static inline
struct page *dma_alloc_from_contiguous(struct device *dev, size_t count,
- unsigned int order)
+ unsigned int order, gfp_t gfp_mask)
{
return NULL;
}
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