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| author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2014-04-03 09:26:49 -0700 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2014-04-03 09:26:49 -0700 |
| commit | 692d96552c9a86a919fe6b5b82288a6c77c015a5 (patch) | |
| tree | a9e49c040d361ea2293a8966832378def5a06714 /include/linux/mmdebug.h | |
| parent | e4dbedc7eac7da9db363a36f2bd4366962eeefcc (diff) | |
| parent | e2c3ecf0ea8e87c5209371af7da107ebc47a5639 (diff) | |
| download | lwn-692d96552c9a86a919fe6b5b82288a6c77c015a5.tar.gz lwn-692d96552c9a86a919fe6b5b82288a6c77c015a5.zip | |
Merge branch 'next' into for-linus
First round of input updates for 3.15.
Diffstat (limited to 'include/linux/mmdebug.h')
| -rw-r--r-- | include/linux/mmdebug.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/include/linux/mmdebug.h b/include/linux/mmdebug.h index 580bd587d916..5042c036dda9 100644 --- a/include/linux/mmdebug.h +++ b/include/linux/mmdebug.h @@ -1,10 +1,19 @@ #ifndef LINUX_MM_DEBUG_H #define LINUX_MM_DEBUG_H 1 +struct page; + +extern void dump_page(struct page *page, char *reason); +extern void dump_page_badflags(struct page *page, char *reason, + unsigned long badflags); + #ifdef CONFIG_DEBUG_VM #define VM_BUG_ON(cond) BUG_ON(cond) +#define VM_BUG_ON_PAGE(cond, page) \ + do { if (unlikely(cond)) { dump_page(page, NULL); BUG(); } } while (0) #else #define VM_BUG_ON(cond) BUILD_BUG_ON_INVALID(cond) +#define VM_BUG_ON_PAGE(cond, page) VM_BUG_ON(cond) #endif #ifdef CONFIG_DEBUG_VIRTUAL |