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-rw-r--r--drivers/char/mem.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/char/mem.c b/drivers/char/mem.c
index cc9a9d0df979..bbee97ff355f 100644
--- a/drivers/char/mem.c
+++ b/drivers/char/mem.c
@@ -24,7 +24,7 @@
24#include <linux/crash_dump.h> 24#include <linux/crash_dump.h>
25#include <linux/backing-dev.h> 25#include <linux/backing-dev.h>
26#include <linux/bootmem.h> 26#include <linux/bootmem.h>
27#include <linux/pipe_fs_i.h> 27#include <linux/splice.h>
28#include <linux/pfn.h> 28#include <linux/pfn.h>
29 29
30#include <asm/uaccess.h> 30#include <asm/uaccess.h>
@@ -75,6 +75,13 @@ static inline int uncached_access(struct file *file, unsigned long addr)
75 * On ia64, we ignore O_SYNC because we cannot tolerate memory attribute aliases. 75 * On ia64, we ignore O_SYNC because we cannot tolerate memory attribute aliases.
76 */ 76 */
77 return !(efi_mem_attributes(addr) & EFI_MEMORY_WB); 77 return !(efi_mem_attributes(addr) & EFI_MEMORY_WB);
78#elif defined(CONFIG_MIPS)
79 {
80 extern int __uncached_access(struct file *file,
81 unsigned long addr);
82
83 return __uncached_access(file, addr);
84 }
78#else 85#else
79 /* 86 /*
80 * Accessing memory above the top the kernel knows about or through a file pointer 87 * Accessing memory above the top the kernel knows about or through a file pointer