diff options
Diffstat (limited to 'include/linux/page-debug-flags.h')
| -rw-r--r-- | include/linux/page-debug-flags.h | 32 |
1 files changed, 0 insertions, 32 deletions
diff --git a/include/linux/page-debug-flags.h b/include/linux/page-debug-flags.h deleted file mode 100644 index 22691f614043..000000000000 --- a/include/linux/page-debug-flags.h +++ /dev/null | |||
| @@ -1,32 +0,0 @@ | |||
| 1 | #ifndef LINUX_PAGE_DEBUG_FLAGS_H | ||
| 2 | #define LINUX_PAGE_DEBUG_FLAGS_H | ||
| 3 | |||
| 4 | /* | ||
| 5 | * page->debug_flags bits: | ||
| 6 | * | ||
| 7 | * PAGE_DEBUG_FLAG_POISON is set for poisoned pages. This is used to | ||
| 8 | * implement generic debug pagealloc feature. The pages are filled with | ||
| 9 | * poison patterns and set this flag after free_pages(). The poisoned | ||
| 10 | * pages are verified whether the patterns are not corrupted and clear | ||
| 11 | * the flag before alloc_pages(). | ||
| 12 | */ | ||
| 13 | |||
| 14 | enum page_debug_flags { | ||
| 15 | PAGE_DEBUG_FLAG_POISON, /* Page is poisoned */ | ||
| 16 | PAGE_DEBUG_FLAG_GUARD, | ||
| 17 | }; | ||
| 18 | |||
| 19 | /* | ||
| 20 | * Ensure that CONFIG_WANT_PAGE_DEBUG_FLAGS reliably | ||
| 21 | * gets turned off when no debug features are enabling it! | ||
| 22 | */ | ||
| 23 | |||
| 24 | #ifdef CONFIG_WANT_PAGE_DEBUG_FLAGS | ||
| 25 | #if !defined(CONFIG_PAGE_POISONING) && \ | ||
| 26 | !defined(CONFIG_PAGE_GUARD) \ | ||
| 27 | /* && !defined(CONFIG_PAGE_DEBUG_SOMETHING_ELSE) && ... */ | ||
| 28 | #error WANT_PAGE_DEBUG_FLAGS is turned on with no debug features! | ||
| 29 | #endif | ||
| 30 | #endif /* CONFIG_WANT_PAGE_DEBUG_FLAGS */ | ||
| 31 | |||
| 32 | #endif /* LINUX_PAGE_DEBUG_FLAGS_H */ | ||
