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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2015-02-10 14:35:36 -0500
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2015-02-10 14:35:36 -0500
commit4ba24fef3eb3b142197135223b90ced2f319cd53 (patch)
treea20c125b27740ec7b4c761b11d801108e1b316b2 /include/linux/page-debug-flags.h
parent47c1ffb2b6b630894e9a16442611c056ab21c057 (diff)
parent98a4a59ee31a12105a2b84f5b8b515ac2cb208ef (diff)
Merge branch 'next' into for-linus
Prepare first round of input updates for 3.20.
Diffstat (limited to 'include/linux/page-debug-flags.h')
-rw-r--r--include/linux/page-debug-flags.h32
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
14enum 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 */