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-rw-r--r--mm/memory.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/mm/memory.c b/mm/memory.c
index 9bdbd10cb418..b1443ac07c00 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -109,6 +109,7 @@ static int __init disable_randmaps(char *s)
__setup("norandmaps", disable_randmaps);
unsigned long zero_pfn __read_mostly;
+unsigned long highest_memmap_pfn __read_mostly;
/*
* CONFIG_MMU architectures set up ZERO_PAGE in their paging_init()