[PATCH] x86, 64bit: Correct phys_addr in cleanup_highmap comment

[Zhang Yanfei]

For x86_64, we have phys_base, which means the delta between the
the address kernel is actually running at and the address kernel
is compiled to run at. Not phys_addr so correct it.

Signed-off-by: Zhang Yanfei <zhangyanfei@xxxxxxxxxxxxxx>
---
 arch/x86/mm/init_64.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c
index bb00c46..b3940b6 100644
--- a/arch/x86/mm/init_64.c
+++ b/arch/x86/mm/init_64.c
@@ -368,7 +368,7 @@ void __init init_extra_mapping_uc(unsigned long phys, unsigned long size)
  *
  *   from __START_KERNEL_map to __START_KERNEL_map + size (== _end-_text)
  *
- * phys_addr holds the negative offset to the kernel, which is added
+ * phys_base holds the negative offset to the kernel, which is added
  * to the compile time generated pmds. This results in invalid pmds up
  * to the point where we hit the physaddr 0 mapping.
  *
-- 
1.7.1
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