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mm: remove file argument from swap_readpage() 

The file argument resulted from address_space's readpage long time ago.

We don't use it any more.  Let's remove unnecessary argement.

Signed-off-by: Minchan Kim <minchan.kim@gmail.com>
Acked-by: Hugh Dickins <hugh.dickins@tiscali.co.uk>
Reviewed-by: Rik van Riel <riel@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Minchan Kim 2009-06-16 15:33:02 -07:00 committed by Linus Torvalds
parent 8192da6a88
commit aca8bf323e
3 changed files with 3 additions and 3 deletions
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2
include/linux/swap.h
View File

@ -256,7 +256,7 @@ extern void swap_unplug_io_fn(struct backing_dev_info *, struct page *);
#ifdef CONFIG_SWAP #ifdef CONFIG_SWAP
/* linux/mm/page_io.c */ /* linux/mm/page_io.c */
extern int swap_readpage(struct file *, struct page *); extern int swap_readpage(struct page *);
extern int swap_writepage(struct page *page, struct writeback_control *wbc); extern int swap_writepage(struct page *page, struct writeback_control *wbc);
extern void end_swap_bio_read(struct bio *bio, int err); extern void end_swap_bio_read(struct bio *bio, int err);

2
mm/page_io.c
View File

@ -120,7 +120,7 @@ out:
return ret; return ret;
} }
int swap_readpage(struct file *file, struct page *page) int swap_readpage(struct page *page)
{ {
struct bio *bio; struct bio *bio;
int ret = 0; int ret = 0;

2
mm/swap_state.c
View File

@ -313,7 +313,7 @@ struct page *read_swap_cache_async(swp_entry_t entry, gfp_t gfp_mask,
* Initiate read into locked page and return. * Initiate read into locked page and return.
*/ */
lru_cache_add_anon(new_page); lru_cache_add_anon(new_page);
swap_readpage(NULL, new_page); swap_readpage(new_page);
return new_page; return new_page;
} }
ClearPageSwapBacked(new_page); ClearPageSwapBacked(new_page);