mirror of https://github.com/torvalds/linux.git
33 lines
860 B
C
33 lines
860 B
C
// SPDX-License-Identifier: GPL-2.0-only
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/*
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* Copyright (C) 2025 - Google Inc
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* Author: Mostafa Saleh <smostafa@google.com>
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* IOMMU API debug page alloc sanitizer
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*/
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#ifndef __LINUX_IOMMU_DEBUG_PAGEALLOC_H
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#define __LINUX_IOMMU_DEBUG_PAGEALLOC_H
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#ifdef CONFIG_IOMMU_DEBUG_PAGEALLOC
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DECLARE_STATIC_KEY_FALSE(iommu_debug_initialized);
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extern struct page_ext_operations page_iommu_debug_ops;
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void __iommu_debug_check_unmapped(const struct page *page, int numpages);
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static inline void iommu_debug_check_unmapped(const struct page *page, int numpages)
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{
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if (static_branch_unlikely(&iommu_debug_initialized))
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__iommu_debug_check_unmapped(page, numpages);
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}
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#else
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static inline void iommu_debug_check_unmapped(const struct page *page,
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int numpages)
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{
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}
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#endif /* CONFIG_IOMMU_DEBUG_PAGEALLOC */
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#endif /* __LINUX_IOMMU_DEBUG_PAGEALLOC_H */
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