diff options
Diffstat (limited to 'arch/arm/mm')
| -rw-r--r-- | arch/arm/mm/dma-mapping.c | 9 | ||||
| -rw-r--r-- | arch/arm/mm/nommu.c | 15 |
2 files changed, 13 insertions, 11 deletions
diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c index bad0c6a4bb7b..ff7ed5697d3e 100644 --- a/arch/arm/mm/dma-mapping.c +++ b/arch/arm/mm/dma-mapping.c @@ -760,7 +760,8 @@ static void *__dma_alloc(struct device *dev, size_t size, dma_addr_t *handle, if (!mask) return NULL; - buf = kzalloc(sizeof(*buf), gfp); + buf = kzalloc(sizeof(*buf), + gfp & ~(__GFP_DMA | __GFP_DMA32 | __GFP_HIGHMEM)); if (!buf) return NULL; @@ -2198,7 +2199,7 @@ static struct dma_map_ops *arm_get_iommu_dma_map_ops(bool coherent) } static bool arm_setup_iommu_dma_ops(struct device *dev, u64 dma_base, u64 size, - struct iommu_ops *iommu) + const struct iommu_ops *iommu) { struct dma_iommu_mapping *mapping; @@ -2236,7 +2237,7 @@ static void arm_teardown_iommu_dma_ops(struct device *dev) #else static bool arm_setup_iommu_dma_ops(struct device *dev, u64 dma_base, u64 size, - struct iommu_ops *iommu) + const struct iommu_ops *iommu) { return false; } @@ -2253,7 +2254,7 @@ static struct dma_map_ops *arm_get_dma_map_ops(bool coherent) } void arch_setup_dma_ops(struct device *dev, u64 dma_base, u64 size, - struct iommu_ops *iommu, bool coherent) + const struct iommu_ops *iommu, bool coherent) { struct dma_map_ops *dma_ops; diff --git a/arch/arm/mm/nommu.c b/arch/arm/mm/nommu.c index ca6d8e8ca1f8..2740967727e2 100644 --- a/arch/arm/mm/nommu.c +++ b/arch/arm/mm/nommu.c @@ -87,7 +87,6 @@ static unsigned long irbar_read(void) /* MPU initialisation functions */ void __init sanity_check_meminfo_mpu(void) { - int i; phys_addr_t phys_offset = PHYS_OFFSET; phys_addr_t aligned_region_size, specified_mem_size, rounded_mem_size; struct memblock_region *reg; @@ -110,11 +109,13 @@ void __init sanity_check_meminfo_mpu(void) } else { /* * memblock auto merges contiguous blocks, remove - * all blocks afterwards + * all blocks afterwards in one go (we can't remove + * blocks separately while iterating) */ pr_notice("Ignoring RAM after %pa, memory at %pa ignored\n", - &mem_start, ®->base); - memblock_remove(reg->base, reg->size); + &mem_end, ®->base); + memblock_remove(reg->base, 0 - reg->base); + break; } } @@ -144,7 +145,7 @@ void __init sanity_check_meminfo_mpu(void) pr_warn("Truncating memory from %pa to %pa (MPU region constraints)", &specified_mem_size, &aligned_region_size); memblock_remove(mem_start + aligned_region_size, - specified_mem_size - aligned_round_size); + specified_mem_size - aligned_region_size); mem_end = mem_start + aligned_region_size; } @@ -261,7 +262,7 @@ void __init mpu_setup(void) return; region_err = mpu_setup_region(MPU_RAM_REGION, PHYS_OFFSET, - ilog2(meminfo.bank[0].size), + ilog2(memblock.memory.regions[0].size), MPU_AP_PL1RW_PL0RW | MPU_RGN_NORMAL); if (region_err) { panic("MPU region initialization failure! %d", region_err); @@ -285,7 +286,7 @@ void __init arm_mm_memblock_reserve(void) * some architectures which the DRAM is the exception vector to trap, * alloc_page breaks with error, although it is not NULL, but "0." */ - memblock_reserve(CONFIG_VECTORS_BASE, PAGE_SIZE); + memblock_reserve(CONFIG_VECTORS_BASE, 2 * PAGE_SIZE); #else /* ifndef CONFIG_CPU_V7M */ /* * There is no dedicated vector page on V7-M. So nothing needs to be |