On 6/6/07, tiansm@xxxxxxxxxx <tiansm@xxxxxxxxxx> wrote:
From: Fuxin Zhang <zhangfx@xxxxxxxxxx>
Signed-off-by: Fuxin Zhang <zhangfx@xxxxxxxxxx>
---
drivers/char/mem.c | 4 ++++
1 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/drivers/char/mem.c b/drivers/char/mem.c
index cc9a9d0..a19b46a 100644
--- a/drivers/char/mem.c
+++ b/drivers/char/mem.c
@@ -82,8 +82,12 @@ static inline int uncached_access(struct file *file, unsigned long addr)
*/
if (file->f_flags & O_SYNC)
return 1;
+#if defined(CONFIG_LEMOTE_FULONG) && defined(CONFIG_64BIT)
+ return (addr >= __pa(high_memory)) || ((addr >=0x10000000) && (addr < 0x20000000));
+#else
return addr >= __pa(high_memory);
#endif
+#endif
}
That would be nice to have a nice log to justify such a hack....
Thanks
--
Franck
