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-rw-r--r--include/asm-x86/page.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/asm-x86/page.h b/include/asm-x86/page.h
index 79544e6ffb8b..c91574776751 100644
--- a/include/asm-x86/page.h
+++ b/include/asm-x86/page.h
@@ -57,6 +57,7 @@ typedef struct { pgdval_t pgd; } pgd_t;
typedef struct { pgprotval_t pgprot; } pgprot_t;
extern int page_is_ram(unsigned long pagenr);
+extern int pagerange_is_ram(unsigned long start, unsigned long end);
extern int devmem_is_allowed(unsigned long pagenr);
extern void map_devmem(unsigned long pfn, unsigned long size,
pgprot_t vma_prot);