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Rev | Author | Line No. | Line |
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5270 | serge | 1 | #ifndef LINUX_MM_DEBUG_H |
2 | #define LINUX_MM_DEBUG_H 1 |
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3 | |||
6336 | serge | 4 | #include |
5270 | serge | 5 | #include |
6 | |||
7 | struct page; |
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8 | struct vm_area_struct; |
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9 | struct mm_struct; |
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10 | |||
11 | extern void dump_page(struct page *page, const char *reason); |
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7143 | serge | 12 | extern void __dump_page(struct page *page, const char *reason); |
5270 | serge | 13 | void dump_vma(const struct vm_area_struct *vma); |
14 | void dump_mm(const struct mm_struct *mm); |
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15 | |||
16 | #ifdef CONFIG_DEBUG_VM |
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17 | #define VM_BUG_ON(cond) BUG_ON(cond) |
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18 | #define VM_BUG_ON_PAGE(cond, page) \ |
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19 | do { \ |
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20 | if (unlikely(cond)) { \ |
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21 | dump_page(page, "VM_BUG_ON_PAGE(" __stringify(cond)")");\ |
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22 | BUG(); \ |
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23 | } \ |
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24 | } while (0) |
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25 | #define VM_BUG_ON_VMA(cond, vma) \ |
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26 | do { \ |
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27 | if (unlikely(cond)) { \ |
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28 | dump_vma(vma); \ |
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29 | BUG(); \ |
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30 | } \ |
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31 | } while (0) |
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32 | #define VM_BUG_ON_MM(cond, mm) \ |
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33 | do { \ |
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34 | if (unlikely(cond)) { \ |
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35 | dump_mm(mm); \ |
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36 | BUG(); \ |
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37 | } \ |
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38 | } while (0) |
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39 | #define VM_WARN_ON(cond) WARN_ON(cond) |
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40 | #define VM_WARN_ON_ONCE(cond) WARN_ON_ONCE(cond) |
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41 | #define VM_WARN_ONCE(cond, format...) WARN_ONCE(cond, format) |
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42 | #else |
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43 | #define VM_BUG_ON(cond) BUILD_BUG_ON_INVALID(cond) |
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44 | #define VM_BUG_ON_PAGE(cond, page) VM_BUG_ON(cond) |
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45 | #define VM_BUG_ON_VMA(cond, vma) VM_BUG_ON(cond) |
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46 | #define VM_BUG_ON_MM(cond, mm) VM_BUG_ON(cond) |
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47 | #define VM_WARN_ON(cond) BUILD_BUG_ON_INVALID(cond) |
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48 | #define VM_WARN_ON_ONCE(cond) BUILD_BUG_ON_INVALID(cond) |
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49 | #define VM_WARN_ONCE(cond, format...) BUILD_BUG_ON_INVALID(cond) |
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50 | #endif |
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51 | |||
52 | #ifdef CONFIG_DEBUG_VIRTUAL |
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53 | #define VIRTUAL_BUG_ON(cond) BUG_ON(cond) |
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54 | #else |
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55 | #define VIRTUAL_BUG_ON(cond) do { } while (0) |
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56 | #endif |
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57 | |||
6936 | serge | 58 | #ifdef CONFIG_DEBUG_VM_PGFLAGS |
59 | #define VM_BUG_ON_PGFLAGS(cond, page) VM_BUG_ON_PAGE(cond, page) |
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60 | #else |
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61 | #define VM_BUG_ON_PGFLAGS(cond, page) BUILD_BUG_ON_INVALID(cond) |
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5270 | serge | 62 | #endif |
6936 | serge | 63 | |
64 | #endif |