[PATCH] cleanup: mm/migrate.c: cleanup comment for function migration_entry_wait

[PATCH] cleanup: mm/migrate.c: cleanup comment for function migration_entry_wait

[Wang Sheng-Hui]

migration_entry_wait can also be called from hugetlb_fault now.
Cleanup the comment.

Signed-off-by: Wang Sheng-Hui <shhuiw@gmail.com>
---
 mm/migrate.c |    2 --
 1 files changed, 0 insertions(+), 2 deletions(-)

diff --git a/mm/migrate.c b/mm/migrate.c
index 177aca4..640002a 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -181,8 +181,6 @@ static void remove_migration_ptes(struct page *old, struct page *new)
  * Something used the pte of a page under migration. We need to
  * get to the page and wait until migration is finished.
  * When we return from this function the fault will be retried.
- *
- * This function is called from do_swap_page().
  */
 void migration_entry_wait(struct mm_struct *mm, pmd_t *pmd,
 				unsigned long address)
-- 
1.7.1

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Re: [PATCH] cleanup: mm/migrate.c: cleanup comment for function migration_entry_wait

[Minchan Kim]

On Wed, Dec 21, 2011 at 07:09:29PM +0800, Wang Sheng-Hui wrote:
> migration_entry_wait can also be called from hugetlb_fault now.
> Cleanup the comment.
> 
> Signed-off-by: Wang Sheng-Hui <shhuiw@gmail.com>

Alternative is to add hugetlbe_fault in comment but I think it's not useful
because We can find caller easily with cscope or just grep. 
My feeling is that the comment isn't helpful.
So I am okay to remove this comment.

Acked-by: Minchan Kim <minchan@kernel.org>

-- 
Kind regards,
Minchan Kim

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