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authorMatthew Wilcox (Oracle) <willy@infradead.org>2021-12-07 14:28:49 -0500
committerMatthew Wilcox (Oracle) <willy@infradead.org>2022-01-08 00:28:41 -0500
commit1613fac9aaf840af76faa747ea428a714af98dbd (patch)
treeeaae4b9e7d9392ba0038210e2b6111dd9e783236
parent51dcbdac28d4dde915f78adf08bb3fac87f516e9 (diff)
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mm: Remove pagevec_remove_exceptionals()
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>
-rw-r--r--include/linux/pagevec.h6
-rw-r--r--mm/swap.c26
-rw-r--r--mm/truncate.c2
3 files changed, 15 insertions, 19 deletions
diff --git a/include/linux/pagevec.h b/include/linux/pagevec.h
index c3fa616d7ae7..dda8d5868c81 100644
--- a/include/linux/pagevec.h
+++ b/include/linux/pagevec.h
@@ -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 */
diff --git a/mm/swap.c b/mm/swap.c
index e8c9dc6d0377..74f6b311d7ee 100644
--- a/mm/swap.c
+++ b/mm/swap.c
@@ -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;
}
/**
diff --git a/mm/truncate.c b/mm/truncate.c
index e7f5762c43d3..a1113b0abb30 100644
--- a/mm/truncate.c
+++ b/mm/truncate.c
@@ -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)