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-rw-r--r--arch/x86/include/asm/page_types.h1
-rw-r--r--arch/x86/mm/ioremap.c21
2 files changed, 0 insertions, 22 deletions
diff --git a/arch/x86/include/asm/page_types.h b/arch/x86/include/asm/page_types.h
index 642fe34b36a..a667f24c725 100644
--- a/arch/x86/include/asm/page_types.h
+++ b/arch/x86/include/asm/page_types.h
@@ -40,7 +40,6 @@
#ifndef __ASSEMBLY__
-extern int page_is_ram(unsigned long pagenr);
extern int devmem_is_allowed(unsigned long pagenr);
extern unsigned long max_low_pfn_mapped;
diff --git a/arch/x86/mm/ioremap.c b/arch/x86/mm/ioremap.c
index 30e068d6462..1bf9e08ed73 100644
--- a/arch/x86/mm/ioremap.c
+++ b/arch/x86/mm/ioremap.c
@@ -24,27 +24,6 @@
#include "physaddr.h"
-int page_is_ram(unsigned long pagenr)
-{
- resource_size_t addr, end;
- int i;
-
- for (i = 0; i < e820.nr_map; i++) {
- /*
- * Not usable memory:
- */
- if (e820.map[i].type != E820_RAM)
- continue;
- addr = (e820.map[i].addr + PAGE_SIZE-1) >> PAGE_SHIFT;
- end = (e820.map[i].addr + e820.map[i].size) >> PAGE_SHIFT;
-
-
- if ((pagenr >= addr) && (pagenr < end))
- return 1;
- }
- return 0;
-}
-
/*
* Fix up the linear direct mapping of the kernel to avoid cache attribute
* conflicts.