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-rw-r--r--include/linux/bootmem.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/bootmem.h b/include/linux/bootmem.h
index f589222bf..35b22f94d 100644
--- a/include/linux/bootmem.h
+++ b/include/linux/bootmem.h
@@ -19,6 +19,10 @@ extern unsigned long min_low_pfn;
* highest page
*/
extern unsigned long max_pfn;
+/*
+ * highest possible page
+ */
+extern unsigned long long max_possible_pfn;
#ifndef CONFIG_NO_BOOTMEM
/*