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fs: Remove aops->freepage

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All implementations now use free_folio so we can delete the callers
and the method.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
This commit is contained in:
Matthew Wilcox (Oracle) 2022-05-05 00:43:09 -04:00
parent 6612ed24a2
commit 8560cb1a7d
3 changed files with 0 additions and 12 deletions
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1
include/linux/fs.h
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@ -357,7 +357,6 @@ struct address_space_operations {
void (*invalidate_folio) (struct folio *, size_t offset, size_t len);
bool (*release_folio)(struct folio *, gfp_t);
void (*free_folio)(struct folio *folio);
void (*freepage)(struct page *);
ssize_t (*direct_IO)(struct kiocb *, struct iov_iter *iter);
/*
* migrate the contents of a page to the specified target. If

7
mm/filemap.c
View File

@ -225,16 +225,12 @@ void __filemap_remove_folio(struct folio *folio, void *shadow)
void filemap_free_folio(struct address_space *mapping, struct folio *folio)
{
void (*freepage)(struct page *);
void (*free_folio)(struct folio *);
int refs = 1;
free_folio = mapping->a_ops->free_folio;
if (free_folio)
free_folio(folio);
freepage = mapping->a_ops->freepage;
if (freepage)
freepage(&folio->page);
if (folio_test_large(folio) && !folio_test_hugetlb(folio))
refs = folio_nr_pages(folio);
@ -812,7 +808,6 @@ void replace_page_cache_page(struct page *old, struct page *new)
struct folio *fnew = page_folio(new);
struct address_space *mapping = old->mapping;
void (*free_folio)(struct folio *) = mapping->a_ops->free_folio;
void (*freepage)(struct page *) = mapping->a_ops->freepage;
pgoff_t offset = old->index;
XA_STATE(xas, &mapping->i_pages, offset);
@ -842,8 +837,6 @@ void replace_page_cache_page(struct page *old, struct page *new)
xas_unlock_irq(&xas);
if (free_folio)
free_folio(fold);
if (freepage)
freepage(old);
folio_put(fold);
}
EXPORT_SYMBOL_GPL(replace_page_cache_page);

4
mm/vmscan.c
View File

@ -1283,10 +1283,8 @@ static int __remove_mapping(struct address_space *mapping, struct folio *folio,
put_swap_page(&folio->page, swap);
} else {
void (*free_folio)(struct folio *);
void (*freepage)(struct page *);
free_folio = mapping->a_ops->free_folio;
freepage = mapping->a_ops->freepage;
/*
* Remember a shadow entry for reclaimed file cache in
* order to detect refaults, thus thrashing, later on.
@ -1314,8 +1312,6 @@ static int __remove_mapping(struct address_space *mapping, struct folio *folio,
if (free_folio)
free_folio(folio);
if (freepage)
freepage(&folio->page);
}
return 1;