[PATCH v2 4/4] folio_batch: Rename PAGEVEC_SIZE to FOLIO_BATCH_SIZE

From: Tal Zussman

Date: Wed Feb 25 2026 - 18:47:51 EST


struct pagevec no longer exists. Rename the macro appropriately.

Signed-off-by: Tal Zussman <tz2294@xxxxxxxxxxxx>
---
fs/btrfs/extent_io.c | 4 ++--
include/linux/folio_batch.h | 6 +++---
include/linux/folio_queue.h | 6 +++---
mm/shmem.c | 4 ++--
mm/swap.c | 2 +-
mm/swap_state.c | 2 +-
mm/truncate.c | 6 +++---
7 files changed, 15 insertions(+), 15 deletions(-)

diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index c373d113f1e7..d82ca509503f 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 @@ int folio_unmap_invalidate(struct address_space *mapping, struct folio *folio,
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;

--
2.39.5