diff options
Diffstat (limited to 'include/linux/iommu-debug-pagealloc.h')
| -rw-r--r-- | include/linux/iommu-debug-pagealloc.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/include/linux/iommu-debug-pagealloc.h b/include/linux/iommu-debug-pagealloc.h index a439d6815ca1..46c3c1f70150 100644 --- a/include/linux/iommu-debug-pagealloc.h +++ b/include/linux/iommu-debug-pagealloc.h @@ -13,6 +13,20 @@ DECLARE_STATIC_KEY_FALSE(iommu_debug_initialized); extern struct page_ext_operations page_iommu_debug_ops; +void __iommu_debug_check_unmapped(const struct page *page, int numpages); + +static inline void iommu_debug_check_unmapped(const struct page *page, int numpages) +{ + if (static_branch_unlikely(&iommu_debug_initialized)) + __iommu_debug_check_unmapped(page, numpages); +} + +#else +static inline void iommu_debug_check_unmapped(const struct page *page, + int numpages) +{ +} + #endif /* CONFIG_IOMMU_DEBUG_PAGEALLOC */ #endif /* __LINUX_IOMMU_DEBUG_PAGEALLOC_H */ |