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include/linux/mmdebug.h
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/* SPDX-License-Identifier: GPL-2.0 */ |
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#ifndef LINUX_MM_DEBUG_H #define LINUX_MM_DEBUG_H 1 |
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#include <linux/bug.h> |
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#include <linux/stringify.h> |
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struct page; |
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struct vm_area_struct; |
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struct mm_struct; |
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extern void dump_page(struct page *page, const char *reason); |
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extern void __dump_page(struct page *page, const char *reason); |
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void dump_vma(const struct vm_area_struct *vma); |
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void dump_mm(const struct mm_struct *mm); |
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#ifdef CONFIG_DEBUG_VM #define VM_BUG_ON(cond) BUG_ON(cond) |
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#define VM_BUG_ON_PAGE(cond, page) \ do { \ if (unlikely(cond)) { \ dump_page(page, "VM_BUG_ON_PAGE(" __stringify(cond)")");\ BUG(); \ } \ } while (0) |
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#define VM_BUG_ON_VMA(cond, vma) \ do { \ if (unlikely(cond)) { \ dump_vma(vma); \ BUG(); \ } \ } while (0) |
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#define VM_BUG_ON_MM(cond, mm) \ do { \ if (unlikely(cond)) { \ dump_mm(mm); \ BUG(); \ } \ } while (0) |
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#define VM_WARN_ON(cond) WARN_ON(cond) #define VM_WARN_ON_ONCE(cond) WARN_ON_ONCE(cond) |
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#define VM_WARN_ONCE(cond, format...) WARN_ONCE(cond, format) |
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#define VM_WARN(cond, format...) WARN(cond, format) |
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#else |
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#define VM_BUG_ON(cond) BUILD_BUG_ON_INVALID(cond) |
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#define VM_BUG_ON_PAGE(cond, page) VM_BUG_ON(cond) |
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#define VM_BUG_ON_VMA(cond, vma) VM_BUG_ON(cond) |
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#define VM_BUG_ON_MM(cond, mm) VM_BUG_ON(cond) |
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#define VM_WARN_ON(cond) BUILD_BUG_ON_INVALID(cond) #define VM_WARN_ON_ONCE(cond) BUILD_BUG_ON_INVALID(cond) |
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#define VM_WARN_ONCE(cond, format...) BUILD_BUG_ON_INVALID(cond) |
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#define VM_WARN(cond, format...) BUILD_BUG_ON_INVALID(cond) |
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#endif #ifdef CONFIG_DEBUG_VIRTUAL #define VIRTUAL_BUG_ON(cond) BUG_ON(cond) #else |
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#define VIRTUAL_BUG_ON(cond) do { } while (0) |
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#endif |
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#ifdef CONFIG_DEBUG_VM_PGFLAGS #define VM_BUG_ON_PGFLAGS(cond, page) VM_BUG_ON_PAGE(cond, page) #else #define VM_BUG_ON_PGFLAGS(cond, page) BUILD_BUG_ON_INVALID(cond) #endif |
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#endif |