aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--arch/alpha/kernel/pci_iommu.c2
-rw-r--r--arch/arc/mm/dma.c2
-rw-r--r--arch/c6x/mm/dma-coherent.c5
-rw-r--r--arch/m68k/kernel/dma.c2
-rw-r--r--arch/microblaze/mm/consistent.c2
-rw-r--r--arch/openrisc/kernel/dma.c2
-rw-r--r--arch/parisc/kernel/pci-dma.c4
-rw-r--r--arch/s390/pci/pci_dma.c2
-rw-r--r--arch/sparc/kernel/ioport.c2
-rw-r--r--arch/sparc/mm/io-unit.c2
-rw-r--r--arch/sparc/mm/iommu.c2
-rw-r--r--arch/xtensa/kernel/pci-dma.c2
-rw-r--r--drivers/misc/mic/host/mic_boot.c2
-rw-r--r--kernel/dma/virt.c2
14 files changed, 18 insertions, 15 deletions
diff --git a/arch/alpha/kernel/pci_iommu.c b/arch/alpha/kernel/pci_iommu.c
index e1716e0d92fd..aa0f50d0f823 100644
--- a/arch/alpha/kernel/pci_iommu.c
+++ b/arch/alpha/kernel/pci_iommu.c
@@ -443,7 +443,7 @@ static void *alpha_pci_alloc_coherent(struct device *dev, size_t size,
gfp &= ~GFP_DMA;
try_again:
- cpu_addr = (void *)__get_free_pages(gfp, order);
+ cpu_addr = (void *)__get_free_pages(gfp | __GFP_ZERO, order);
if (! cpu_addr) {
printk(KERN_INFO "pci_alloc_consistent: "
"get_free_pages failed from %pf\n",
diff --git a/arch/arc/mm/dma.c b/arch/arc/mm/dma.c
index db203ff69ccf..1525ac00fd02 100644
--- a/arch/arc/mm/dma.c
+++ b/arch/arc/mm/dma.c
@@ -33,7 +33,7 @@ void *arch_dma_alloc(struct device *dev, size_t size, dma_addr_t *dma_handle,
*/
BUG_ON(gfp & __GFP_HIGHMEM);
- page = alloc_pages(gfp, order);
+ page = alloc_pages(gfp | __GFP_ZERO, order);
if (!page)
return NULL;
diff --git a/arch/c6x/mm/dma-coherent.c b/arch/c6x/mm/dma-coherent.c
index 01305c787201..75b79571732c 100644
--- a/arch/c6x/mm/dma-coherent.c
+++ b/arch/c6x/mm/dma-coherent.c
@@ -78,6 +78,7 @@ static void __free_dma_pages(u32 addr, int order)
void *arch_dma_alloc(struct device *dev, size_t size, dma_addr_t *handle,
gfp_t gfp, unsigned long attrs)
{
+ void *ret;
u32 paddr;
int order;
@@ -94,7 +95,9 @@ void *arch_dma_alloc(struct device *dev, size_t size, dma_addr_t *handle,
if (!paddr)
return NULL;
- return phys_to_virt(paddr);
+ ret = phys_to_virt(paddr);
+ memset(ret, 0, 1 << order);
+ return ret;
}
/*
diff --git a/arch/m68k/kernel/dma.c b/arch/m68k/kernel/dma.c
index e99993c57d6b..b4aa853051bd 100644
--- a/arch/m68k/kernel/dma.c
+++ b/arch/m68k/kernel/dma.c
@@ -32,7 +32,7 @@ void *arch_dma_alloc(struct device *dev, size_t size, dma_addr_t *handle,
size = PAGE_ALIGN(size);
order = get_order(size);
- page = alloc_pages(flag, order);
+ page = alloc_pages(flag | __GFP_ZERO, order);
if (!page)
return NULL;
diff --git a/arch/microblaze/mm/consistent.c b/arch/microblaze/mm/consistent.c
index 45e0a1aa9357..3002cbca3059 100644
--- a/arch/microblaze/mm/consistent.c
+++ b/arch/microblaze/mm/consistent.c
@@ -81,7 +81,7 @@ void *arch_dma_alloc(struct device *dev, size_t size, dma_addr_t *dma_handle,
size = PAGE_ALIGN(size);
order = get_order(size);
- vaddr = __get_free_pages(gfp, order);
+ vaddr = __get_free_pages(gfp | __GFP_ZERO, order);
if (!vaddr)
return NULL;
diff --git a/arch/openrisc/kernel/dma.c b/arch/openrisc/kernel/dma.c
index 159336adfa2f..f79457cb3741 100644
--- a/arch/openrisc/kernel/dma.c
+++ b/arch/openrisc/kernel/dma.c
@@ -89,7 +89,7 @@ arch_dma_alloc(struct device *dev, size_t size, dma_addr_t *dma_handle,
.mm = &init_mm
};
- page = alloc_pages_exact(size, gfp);
+ page = alloc_pages_exact(size, gfp | __GFP_ZERO);
if (!page)
return NULL;
diff --git a/arch/parisc/kernel/pci-dma.c b/arch/parisc/kernel/pci-dma.c
index 04c48f1ef3fb..239162355b58 100644
--- a/arch/parisc/kernel/pci-dma.c
+++ b/arch/parisc/kernel/pci-dma.c
@@ -404,7 +404,7 @@ static void *pcxl_dma_alloc(struct device *dev, size_t size,
order = get_order(size);
size = 1 << (order + PAGE_SHIFT);
vaddr = pcxl_alloc_range(size);
- paddr = __get_free_pages(flag, order);
+ paddr = __get_free_pages(flag | __GFP_ZERO, order);
flush_kernel_dcache_range(paddr, size);
paddr = __pa(paddr);
map_uncached_pages(vaddr, size, paddr);
@@ -429,7 +429,7 @@ static void *pcx_dma_alloc(struct device *dev, size_t size,
if ((attrs & DMA_ATTR_NON_CONSISTENT) == 0)
return NULL;
- addr = (void *)__get_free_pages(flag, get_order(size));
+ addr = (void *)__get_free_pages(flag | __GFP_ZERO, get_order(size));
if (addr)
*dma_handle = (dma_addr_t)virt_to_phys(addr);
diff --git a/arch/s390/pci/pci_dma.c b/arch/s390/pci/pci_dma.c
index 346ba382193a..9e52d1527f71 100644
--- a/arch/s390/pci/pci_dma.c
+++ b/arch/s390/pci/pci_dma.c
@@ -404,7 +404,7 @@ static void *s390_dma_alloc(struct device *dev, size_t size,
dma_addr_t map;
size = PAGE_ALIGN(size);
- page = alloc_pages(flag, get_order(size));
+ page = alloc_pages(flag | __GFP_ZERO, get_order(size));
if (!page)
return NULL;
diff --git a/arch/sparc/kernel/ioport.c b/arch/sparc/kernel/ioport.c
index baa235652c27..f89603855f1e 100644
--- a/arch/sparc/kernel/ioport.c
+++ b/arch/sparc/kernel/ioport.c
@@ -325,7 +325,7 @@ void *arch_dma_alloc(struct device *dev, size_t size, dma_addr_t *dma_handle,
return NULL;
size = PAGE_ALIGN(size);
- va = (void *) __get_free_pages(gfp, get_order(size));
+ va = (void *) __get_free_pages(gfp | __GFP_ZERO, get_order(size));
if (!va) {
printk("%s: no %zd pages\n", __func__, size >> PAGE_SHIFT);
return NULL;
diff --git a/arch/sparc/mm/io-unit.c b/arch/sparc/mm/io-unit.c
index 91be13935d40..f770ee7229d8 100644
--- a/arch/sparc/mm/io-unit.c
+++ b/arch/sparc/mm/io-unit.c
@@ -224,7 +224,7 @@ static void *iounit_alloc(struct device *dev, size_t len,
return NULL;
len = PAGE_ALIGN(len);
- va = __get_free_pages(gfp, get_order(len));
+ va = __get_free_pages(gfp | __GFP_ZERO, get_order(len));
if (!va)
return NULL;
diff --git a/arch/sparc/mm/iommu.c b/arch/sparc/mm/iommu.c
index fb771a634452..e8d5d73ca40d 100644
--- a/arch/sparc/mm/iommu.c
+++ b/arch/sparc/mm/iommu.c
@@ -344,7 +344,7 @@ static void *sbus_iommu_alloc(struct device *dev, size_t len,
return NULL;
len = PAGE_ALIGN(len);
- va = __get_free_pages(gfp, get_order(len));
+ va = __get_free_pages(gfp | __GFP_ZERO, get_order(len));
if (va == 0)
return NULL;
diff --git a/arch/xtensa/kernel/pci-dma.c b/arch/xtensa/kernel/pci-dma.c
index 1fc138b6bc0a..9171bff76fc4 100644
--- a/arch/xtensa/kernel/pci-dma.c
+++ b/arch/xtensa/kernel/pci-dma.c
@@ -160,7 +160,7 @@ void *arch_dma_alloc(struct device *dev, size_t size, dma_addr_t *handle,
flag & __GFP_NOWARN);
if (!page)
- page = alloc_pages(flag, get_order(size));
+ page = alloc_pages(flag | __GFP_ZERO, get_order(size));
if (!page)
return NULL;
diff --git a/drivers/misc/mic/host/mic_boot.c b/drivers/misc/mic/host/mic_boot.c
index c327985c9523..6479435ac96b 100644
--- a/drivers/misc/mic/host/mic_boot.c
+++ b/drivers/misc/mic/host/mic_boot.c
@@ -149,7 +149,7 @@ static void *__mic_dma_alloc(struct device *dev, size_t size,
struct scif_hw_dev *scdev = dev_get_drvdata(dev);
struct mic_device *mdev = scdev_to_mdev(scdev);
dma_addr_t tmp;
- void *va = kmalloc(size, gfp);
+ void *va = kmalloc(size, gfp | __GFP_ZERO);
if (va) {
tmp = mic_map_single(mdev, va, size);
diff --git a/kernel/dma/virt.c b/kernel/dma/virt.c
index 631ddec4b60a..ebe128833af7 100644
--- a/kernel/dma/virt.c
+++ b/kernel/dma/virt.c
@@ -13,7 +13,7 @@ static void *dma_virt_alloc(struct device *dev, size_t size,
{
void *ret;
- ret = (void *)__get_free_pages(gfp, get_order(size));
+ ret = (void *)__get_free_pages(gfp | __GFP_ZERO, get_order(size));
if (ret)
*dma_handle = (uintptr_t)ret;
return ret;