diff options
| -rw-r--r-- | arch/x86/include/asm/dma-mapping.h | 2 | ||||
| -rw-r--r-- | include/linux/kmemcheck.h | 16 |
2 files changed, 18 insertions, 0 deletions
diff --git a/arch/x86/include/asm/dma-mapping.h b/arch/x86/include/asm/dma-mapping.h index f82fdc412c64..d57d0c1857bc 100644 --- a/arch/x86/include/asm/dma-mapping.h +++ b/arch/x86/include/asm/dma-mapping.h @@ -6,6 +6,7 @@ * Documentation/DMA-API.txt for documentation. */ +#include <linux/kmemcheck.h> #include <linux/scatterlist.h> #include <linux/dma-debug.h> #include <linux/dma-attrs.h> @@ -60,6 +61,7 @@ dma_map_single(struct device *hwdev, void *ptr, size_t size, dma_addr_t addr; BUG_ON(!valid_dma_direction(dir)); + kmemcheck_mark_initialized(ptr, size); addr = ops->map_page(hwdev, virt_to_page(ptr), (unsigned long)ptr & ~PAGE_MASK, size, dir, NULL); diff --git a/include/linux/kmemcheck.h b/include/linux/kmemcheck.h index 5b65f4ebeadf..71f21ae33d1d 100644 --- a/include/linux/kmemcheck.h +++ b/include/linux/kmemcheck.h @@ -59,6 +59,22 @@ static inline bool kmemcheck_page_is_tracked(struct page *p) { return false; } + +static inline void kmemcheck_mark_unallocated(void *address, unsigned int n) +{ +} + +static inline void kmemcheck_mark_uninitialized(void *address, unsigned int n) +{ +} + +static inline void kmemcheck_mark_initialized(void *address, unsigned int n) +{ +} + +static inline void kmemcheck_mark_freed(void *address, unsigned int n) +{ +} #endif /* CONFIG_KMEMCHECK */ #endif /* LINUX_KMEMCHECK_H */ |