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mm: Remove pagevec_remove_exceptionals()

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All of its callers now call folio_batch_remove_exceptionals().

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: William Kucharski <william.kucharski@oracle.com>
This commit is contained in:
Matthew Wilcox (Oracle) 2021-12-07 14:28:49 -05:00
parent 51dcbdac28
commit 1613fac9aa
3 changed files with 15 additions and 19 deletions
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6
include/linux/pagevec.h
View file

@ -27,7 +27,6 @@ struct pagevec {
void __pagevec_release(struct pagevec *pvec);
void __pagevec_lru_add(struct pagevec *pvec);
void pagevec_remove_exceptionals(struct pagevec *pvec);
unsigned pagevec_lookup_range(struct pagevec *pvec,
struct address_space *mapping,
pgoff_t *start, pgoff_t end);
@ -146,8 +145,5 @@ static inline void folio_batch_release(struct folio_batch *fbatch)
pagevec_release((struct pagevec *)fbatch);
}
static inline void folio_batch_remove_exceptionals(struct folio_batch *fbatch)
{
pagevec_remove_exceptionals((struct pagevec *)fbatch);
}
void folio_batch_remove_exceptionals(struct folio_batch *fbatch);
#endif /* _LINUX_PAGEVEC_H */

26
mm/swap.c
View file

@ -1077,24 +1077,24 @@ void __pagevec_lru_add(struct pagevec *pvec)
}
/**
* pagevec_remove_exceptionals - pagevec exceptionals pruning
* @pvec: The pagevec to prune
* folio_batch_remove_exceptionals() - Prune non-folios from a batch.
* @fbatch: The batch to prune
*
* find_get_entries() fills both pages and XArray value entries (aka
* exceptional entries) into the pagevec. This function prunes all
* exceptionals from @pvec without leaving holes, so that it can be
* passed on to page-only pagevec operations.
* find_get_entries() fills a batch with both folios and shadow/swap/DAX
* entries. This function prunes all the non-folio entries from @fbatch
* without leaving holes, so that it can be passed on to folio-only batch
* operations.
*/
void pagevec_remove_exceptionals(struct pagevec *pvec)
void folio_batch_remove_exceptionals(struct folio_batch *fbatch)
{
int i, j;
unsigned int i, j;
for (i = 0, j = 0; i < pagevec_count(pvec); i++) {
struct page *page = pvec->pages[i];
if (!xa_is_value(page))
pvec->pages[j++] = page;
for (i = 0, j = 0; i < folio_batch_count(fbatch); i++) {
struct folio *folio = fbatch->folios[i];
if (!xa_is_value(folio))
fbatch->folios[j++] = folio;
}
pvec->nr = j;
fbatch->nr = j;
}
/**

2
mm/truncate.c
View file

@ -57,7 +57,7 @@ static void clear_shadow_entry(struct address_space *mapping, pgoff_t index,
/*
* Unconditionally remove exceptional entries. Usually called from truncate
* path. Note that the folio_batch may be altered by this function by removing
* exceptional entries similar to what pagevec_remove_exceptionals does.
* exceptional entries similar to what folio_batch_remove_exceptionals() does.
*/
static void truncate_folio_batch_exceptionals(struct address_space *mapping,
struct folio_batch *fbatch, pgoff_t *indices)