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-rw-r--r--mm/internal.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/mm/internal.h b/mm/internal.h
index 13333bc..1981bc9 100644
--- a/mm/internal.h
+++ b/mm/internal.h
@@ -49,6 +49,7 @@ extern void putback_lru_page(struct page *page);
/*
* in mm/page_alloc.c
*/
+extern unsigned long highest_memmap_pfn;
extern void __free_pages_bootmem(struct page *page, unsigned int order);
/*
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