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* [PATCH] mm: memory: remove unreachable code
@ 2011-05-08 21:18 Maxin B John
  2011-05-08 21:29 ` Rik van Riel
  0 siblings, 1 reply; 3+ messages in thread
From: Maxin B John @ 2011-05-08 21:18 UTC (permalink / raw)
  To: linux-kernel; +Cc: akpm, riel, walken, aarcange, hughd, linux-mm

Remove the unreachable code found in mm/memory.c

Signed-off-by: Maxin B. John <maxin.john@gmail.com>
---
diff --git a/mm/memory.c b/mm/memory.c
index 27f4253..d3b30af 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -3695,7 +3695,6 @@ static int __access_remote_vm(struct task_struct *tsk, struct mm_struct *mm,
 			if (ret <= 0)
 #endif
 				break;
-			bytes = ret;
 		} else {
 			bytes = len;
 			offset = addr & (PAGE_SIZE-1);

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^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [PATCH] mm: memory: remove unreachable code
  2011-05-08 21:18 [PATCH] mm: memory: remove unreachable code Maxin B John
@ 2011-05-08 21:29 ` Rik van Riel
  2011-05-08 21:44   ` Maxin John
  0 siblings, 1 reply; 3+ messages in thread
From: Rik van Riel @ 2011-05-08 21:29 UTC (permalink / raw)
  To: Maxin B John; +Cc: linux-kernel, akpm, walken, aarcange, hughd, linux-mm

On 05/08/2011 05:18 PM, Maxin B John wrote:
> Remove the unreachable code found in mm/memory.c
>
> Signed-off-by: Maxin B. John<maxin.john@gmail.com>
> ---
> diff --git a/mm/memory.c b/mm/memory.c
> index 27f4253..d3b30af 100644
> --- a/mm/memory.c
> +++ b/mm/memory.c
> @@ -3695,7 +3695,6 @@ static int __access_remote_vm(struct task_struct *tsk, struct mm_struct *mm,
>   			if (ret<= 0)
>   #endif
>   				break;
> -			bytes = ret;
>   		} else {
>   			bytes = len;
>   			offset = addr&  (PAGE_SIZE-1);

Is it really impossible for vma->vm_ops->access to return a
positive value?

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^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [PATCH] mm: memory: remove unreachable code
  2011-05-08 21:29 ` Rik van Riel
@ 2011-05-08 21:44   ` Maxin John
  0 siblings, 0 replies; 3+ messages in thread
From: Maxin John @ 2011-05-08 21:44 UTC (permalink / raw)
  To: Rik van Riel; +Cc: linux-kernel, akpm, walken, aarcange, hughd, linux-mm

Hi,

>
> Is it really impossible for vma->vm_ops->access to return a
> positive value?
>

Got it .. Thank you very much for pointing it out.

Best Regards,
Maxin

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^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2011-05-08 21:45 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
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2011-05-08 21:18 [PATCH] mm: memory: remove unreachable code Maxin B John
2011-05-08 21:29 ` Rik van Riel
2011-05-08 21:44   ` Maxin John

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