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-rw-r--r--include/asm-x86_64/e820.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/asm-x86_64/e820.h b/include/asm-x86_64/e820.h
index 8e94edf0b984..e682edc24a68 100644
--- a/include/asm-x86_64/e820.h
+++ b/include/asm-x86_64/e820.h
@@ -51,6 +51,8 @@ extern int e820_mapped(unsigned long start, unsigned long end, unsigned type);
extern void e820_bootmem_free(pg_data_t *pgdat, unsigned long start,unsigned long end);
extern void e820_setup_gap(void);
+extern unsigned long e820_hole_size(unsigned long start_pfn,
+ unsigned long end_pfn);
extern void __init parse_memopt(char *p, char **end);
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