folio_batch: rename PAGEVEC_SIZE to FOLIO_BATCH_SIZE

struct pagevec no longer exists.  Rename the macro appropriately.

Link: https://lkml.kernel.org/r/20260225-pagevec_cleanup-v2-4-716868cc2d11@columbia.edu
Signed-off-by: Tal Zussman <tz2294@columbia.edu>
Acked-by: David Hildenbrand (Arm) <david@kernel.org>
Reviewed-by: Jan Kara <jack@suse.cz>
Acked-by: Zi Yan <ziy@nvidia.com>
Reviewed-by: Lorenzo Stoakes (Oracle) <ljs@kernel.org>
Cc: Chris Li <chrisl@kernel.org>
Cc: Christian Brauner <brauner@kernel.org>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

7 files changed, 15 insertions, 15 deletions

diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index 89649ef5107a..070c8759b0b4 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -2095,13 +2095,13 @@ static void buffer_tree_tag_for_writeback(struct btrfs_fs_info *fs_info,
 struct eb_batch {
 	unsigned int nr;
 	unsigned int cur;
-	struct extent_buffer *ebs[PAGEVEC_SIZE];
+	struct extent_buffer *ebs[FOLIO_BATCH_SIZE];
 };
 
 static inline bool eb_batch_add(struct eb_batch *batch, struct extent_buffer *eb)
 {
 	batch->ebs[batch->nr++] = eb;
-	return (batch->nr < PAGEVEC_SIZE);
+	return (batch->nr < FOLIO_BATCH_SIZE);
 }
 
 static inline void eb_batch_init(struct eb_batch *batch)
diff --git a/include/linux/folio_batch.h b/include/linux/folio_batch.h
index a2f3d3043f7e..b45946adc50b 100644
--- a/include/linux/folio_batch.h
+++ b/include/linux/folio_batch.h
@@ -12,7 +12,7 @@
 #include <linux/types.h>
 
 /* 31 pointers + header align the folio_batch structure to a power of two */
-#define PAGEVEC_SIZE	31
+#define FOLIO_BATCH_SIZE	31
 
 struct folio;
 
@@ -29,7 +29,7 @@ struct folio_batch {
 	unsigned char nr;
 	unsigned char i;
 	bool percpu_pvec_drained;
-	struct folio *folios[PAGEVEC_SIZE];
+	struct folio *folios[FOLIO_BATCH_SIZE];
 };
 
 /**
@@ -58,7 +58,7 @@ static inline unsigned int folio_batch_count(const struct folio_batch *fbatch)
 
 static inline unsigned int folio_batch_space(const struct folio_batch *fbatch)
 {
-	return PAGEVEC_SIZE - fbatch->nr;
+	return FOLIO_BATCH_SIZE - fbatch->nr;
 }
 
 /**
diff --git a/include/linux/folio_queue.h b/include/linux/folio_queue.h
index 0d3765fa9d1d..f6d5f1f127c9 100644
--- a/include/linux/folio_queue.h
+++ b/include/linux/folio_queue.h
@@ -29,12 +29,12 @@
  */
 struct folio_queue {
 	struct folio_batch	vec;		/* Folios in the queue segment */
-	u8			orders[PAGEVEC_SIZE]; /* Order of each folio */
+	u8			orders[FOLIO_BATCH_SIZE]; /* Order of each folio */
 	struct folio_queue	*next;		/* Next queue segment or NULL */
 	struct folio_queue	*prev;		/* Previous queue segment of NULL */
 	unsigned long		marks;		/* 1-bit mark per folio */
 	unsigned long		marks2;		/* Second 1-bit mark per folio */
-#if PAGEVEC_SIZE > BITS_PER_LONG
+#if FOLIO_BATCH_SIZE > BITS_PER_LONG
 #error marks is not big enough
 #endif
 	unsigned int		rreq_id;
@@ -70,7 +70,7 @@ static inline void folioq_init(struct folio_queue *folioq, unsigned int rreq_id)
  */
 static inline unsigned int folioq_nr_slots(const struct folio_queue *folioq)
 {
-	return PAGEVEC_SIZE;
+	return FOLIO_BATCH_SIZE;
 }
 
 /**
diff --git a/mm/shmem.c b/mm/shmem.c
index 149fdb051170..5e7dcf5bc5d3 100644
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -1113,7 +1113,7 @@ static void shmem_undo_range(struct inode *inode, loff_t lstart, uoff_t lend,
 	pgoff_t start = (lstart + PAGE_SIZE - 1) >> PAGE_SHIFT;
 	pgoff_t end = (lend + 1) >> PAGE_SHIFT;
 	struct folio_batch fbatch;
-	pgoff_t indices[PAGEVEC_SIZE];
+	pgoff_t indices[FOLIO_BATCH_SIZE];
 	struct folio *folio;
 	bool same_folio;
 	long nr_swaps_freed = 0;
@@ -1510,7 +1510,7 @@ static int shmem_unuse_inode(struct inode *inode, unsigned int type)
 	struct address_space *mapping = inode->i_mapping;
 	pgoff_t start = 0;
 	struct folio_batch fbatch;
-	pgoff_t indices[PAGEVEC_SIZE];
+	pgoff_t indices[FOLIO_BATCH_SIZE];
 	int ret = 0;
 
 	do {
diff --git a/mm/swap.c b/mm/swap.c
index 2e517ede6561..78b4aa811fc6 100644
--- a/mm/swap.c
+++ b/mm/swap.c
@@ -1018,7 +1018,7 @@ EXPORT_SYMBOL(folios_put_refs);
 void release_pages(release_pages_arg arg, int nr)
 {
 	struct folio_batch fbatch;
-	int refs[PAGEVEC_SIZE];
+	int refs[FOLIO_BATCH_SIZE];
 	struct encoded_page **encoded = arg.encoded_pages;
 	int i;
 
diff --git a/mm/swap_state.c b/mm/swap_state.c
index a0c64db2b275..6313b59d7eab 100644
--- a/mm/swap_state.c
+++ b/mm/swap_state.c
@@ -385,7 +385,7 @@ void free_folio_and_swap_cache(struct folio *folio)
 void free_pages_and_swap_cache(struct encoded_page **pages, int nr)
 {
 	struct folio_batch folios;
-	unsigned int refs[PAGEVEC_SIZE];
+	unsigned int refs[FOLIO_BATCH_SIZE];
 
 	folio_batch_init(&folios);
 	for (int i = 0; i < nr; i++) {
diff --git a/mm/truncate.c b/mm/truncate.c
index df0b7a7e6aff..2931d66c16d0 100644
--- a/mm/truncate.c
+++ b/mm/truncate.c
@@ -369,7 +369,7 @@ void truncate_inode_pages_range(struct address_space *mapping,
 	pgoff_t		start;		/* inclusive */
 	pgoff_t		end;		/* exclusive */
 	struct folio_batch fbatch;
-	pgoff_t		indices[PAGEVEC_SIZE];
+	pgoff_t		indices[FOLIO_BATCH_SIZE];
 	pgoff_t		index;
 	int		i;
 	struct folio	*folio;
@@ -534,7 +534,7 @@ EXPORT_SYMBOL(truncate_inode_pages_final);
 unsigned long mapping_try_invalidate(struct address_space *mapping,
 		pgoff_t start, pgoff_t end, unsigned long *nr_failed)
 {
-	pgoff_t indices[PAGEVEC_SIZE];
+	pgoff_t indices[FOLIO_BATCH_SIZE];
 	struct folio_batch fbatch;
 	pgoff_t index = start;
 	unsigned long ret;
@@ -672,7 +672,7 @@ failed:
 int invalidate_inode_pages2_range(struct address_space *mapping,
 				  pgoff_t start, pgoff_t end)
 {
-	pgoff_t indices[PAGEVEC_SIZE];
+	pgoff_t indices[FOLIO_BATCH_SIZE];
 	struct folio_batch fbatch;
 	pgoff_t index;
 	int i;