The patch titled
Subject: mm: remove pagevec_lookup_entries
has been added to the -mm tree. Its filename is
mm-remove-pagevec_lookup_entries.patch
This patch should soon appear at
https://ozlabs.org/~akpm/mmots/broken-out/mm-remove-pagevec_lookup_entries.patch
and later at
https://ozlabs.org/~akpm/mmotm/broken-out/mm-remove-pagevec_lookup_entries.patch
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------------------------------------------------------
From: "Matthew Wilcox (Oracle)" <willy@xxxxxxxxxxxxx>
Subject: mm: remove pagevec_lookup_entries
pagevec_lookup_entries() is now just a wrapper around find_get_entries()
so remove it and convert all its callers.
Link: https://lkml.kernel.org/r/20201112212641.27837-15-willy@xxxxxxxxxxxxx
Signed-off-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>
Reviewed-by: Jan Kara <jack@xxxxxxx>
Reviewed-by: William Kucharski <william.kucharski@xxxxxxxxxx>
Cc: Christoph Hellwig <hch@xxxxxx>
Cc: Dave Chinner <dchinner@xxxxxxxxxx>
Cc: Hugh Dickins <hughd@xxxxxxxxxx>
Cc: Johannes Weiner <hannes@xxxxxxxxxxx>
Cc: Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx>
Cc: Yang Shi <yang.shi@xxxxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
include/linux/pagevec.h | 3 ---
mm/swap.c | 36 ++----------------------------------
mm/truncate.c | 4 ++--
3 files changed, 4 insertions(+), 39 deletions(-)
--- a/include/linux/pagevec.h~mm-remove-pagevec_lookup_entries
+++ a/include/linux/pagevec.h
@@ -25,9 +25,6 @@ struct pagevec {
void __pagevec_release(struct pagevec *pvec);
void __pagevec_lru_add(struct pagevec *pvec);
-unsigned pagevec_lookup_entries(struct pagevec *pvec,
- struct address_space *mapping, pgoff_t start, pgoff_t end,
- pgoff_t *indices);
void pagevec_remove_exceptionals(struct pagevec *pvec);
unsigned pagevec_lookup_range(struct pagevec *pvec,
struct address_space *mapping,
--- a/mm/swap.c~mm-remove-pagevec_lookup_entries
+++ a/mm/swap.c
@@ -1074,43 +1074,11 @@ void __pagevec_lru_add(struct pagevec *p
}
/**
- * pagevec_lookup_entries - gang pagecache lookup
- * @pvec: Where the resulting entries are placed
- * @mapping: The address_space to search
- * @start: The starting entry index
- * @end: The highest index to return (inclusive).
- * @nr_entries: The maximum number of pages
- * @indices: The cache indices corresponding to the entries in @pvec
- *
- * pagevec_lookup_entries() will search for and return a group of up
- * to @nr_pages pages and shadow entries in the mapping. All
- * entries are placed in @pvec. pagevec_lookup_entries() takes a
- * reference against actual pages in @pvec.
- *
- * The search returns a group of mapping-contiguous entries with
- * ascending indexes. There may be holes in the indices due to
- * not-present entries.
- *
- * Only one subpage of a Transparent Huge Page is returned in one call:
- * allowing truncate_inode_pages_range() to evict the whole THP without
- * cycling through a pagevec of extra references.
- *
- * pagevec_lookup_entries() returns the number of entries which were
- * found.
- */
-unsigned pagevec_lookup_entries(struct pagevec *pvec,
- struct address_space *mapping, pgoff_t start, pgoff_t end,
- pgoff_t *indices)
-{
- return find_get_entries(mapping, start, end, pvec, indices);
-}
-
-/**
* pagevec_remove_exceptionals - pagevec exceptionals pruning
* @pvec: The pagevec to prune
*
- * pagevec_lookup_entries() fills both pages and exceptional radix
- * tree entries into the pagevec. This function prunes all
+ * 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.
*/
--- a/mm/truncate.c~mm-remove-pagevec_lookup_entries
+++ a/mm/truncate.c
@@ -376,7 +376,7 @@ void truncate_inode_pages_range(struct a
index = start;
for ( ; ; ) {
cond_resched();
- if (!pagevec_lookup_entries(&pvec, mapping, index, end - 1,
+ if (!find_get_entries(mapping, index, end - 1, &pvec,
indices)) {
/* If all gone from start onwards, we're done */
if (index == start)
@@ -632,7 +632,7 @@ int invalidate_inode_pages2_range(struct
pagevec_init(&pvec);
index = start;
- while (pagevec_lookup_entries(&pvec, mapping, index, end, indices)) {
+ while (find_get_entries(mapping, index, end, &pvec, indices)) {
for (i = 0; i < pagevec_count(&pvec); i++) {
struct page *page = pvec.pages[i];
_
Patches currently in -mm which might be from willy@xxxxxxxxxxxxx are
mm-fix-readahead_page_batch-for-retry-entries.patch
mm-fix-madvise-willneed-performance-problem.patch
mm-page-flags-fix-comment.patch
mm-page_alloc-add-__free_pages-documentation.patch
mm-make-pagecache-tagged-lookups-return-only-head-pages.patch
mm-shmem-use-pagevec_lookup-in-shmem_unlock_mapping.patch
mm-swap-optimise-get_shadow_from_swap_cache.patch
mm-add-fgp_entry.patch
mm-filemap-rename-find_get_entry-to-mapping_get_entry.patch
mm-filemap-add-helper-for-finding-pages.patch
mm-filemap-add-mapping_seek_hole_data.patch
iomap-use-mapping_seek_hole_data.patch
mm-add-and-use-find_lock_entries.patch
mm-add-an-end-parameter-to-find_get_entries.patch
mm-add-an-end-parameter-to-pagevec_lookup_entries.patch
mm-remove-nr_entries-parameter-from-pagevec_lookup_entries.patch
mm-pass-pvec-directly-to-find_get_entries.patch
mm-remove-pagevec_lookup_entries.patch
mm-truncateshmem-handle-truncates-that-split-thps.patch
mm-filemap-return-only-head-pages-from-find_get_entries.patch
mm-introduce-memfd_secret-system-call-to-create-secret-memory-areas-fix.patch
