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-rw-r--r--include/linux/page-flags.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h
index 4d99504f6496..934f91ef3f54 100644
--- a/include/linux/page-flags.h
+++ b/include/linux/page-flags.h
@@ -163,6 +163,14 @@ static inline int PagePoisoned(const struct page *page)
return page->flags == PAGE_POISON_PATTERN;
}
+#ifdef CONFIG_DEBUG_VM
+void page_init_poison(struct page *page, size_t size);
+#else
+static inline void page_init_poison(struct page *page, size_t size)
+{
+}
+#endif
+
/*
* Page flags policies wrt compound pages
*