The patch titled
Subject: mm/khugepaged: use a folio more in collapse_file()
has been added to the -mm mm-unstable branch. Its filename is
mm-khugepaged-use-a-folio-more-in-collapse_file.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-khugepaged-use-a-folio-more-in-collapse_file.patch
This patch will later appear in the mm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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------------------------------------------------------
From: "Matthew Wilcox (Oracle)" <willy@xxxxxxxxxxxxx>
Subject: mm/khugepaged: use a folio more in collapse_file()
Date: Thu, 28 Dec 2023 08:57:47 +0000
This function is not yet fully converted to the folio API, but this
removes a few uses of old APIs.
Link: https://lkml.kernel.org/r/20231228085748.1083901-6-willy@xxxxxxxxxxxxx
Signed-off-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>
Cc: Hyeonggon Yoo <42.hyeyoo@xxxxxxxxx>
Cc: Johannes Weiner <hannes@xxxxxxxxxxx>
Cc: Vlastimil Babka <vbabka@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/khugepaged.c | 16 ++++++++--------
1 file changed, 8 insertions(+), 8 deletions(-)
--- a/mm/khugepaged.c~mm-khugepaged-use-a-folio-more-in-collapse_file
+++ a/mm/khugepaged.c
@@ -2122,23 +2122,23 @@ immap_locked:
xas_lock_irq(&xas);
}
- nr = thp_nr_pages(hpage);
+ folio = page_folio(hpage);
+ nr = folio_nr_pages(folio);
if (is_shmem)
- __mod_lruvec_page_state(hpage, NR_SHMEM_THPS, nr);
+ __lruvec_stat_mod_folio(folio, NR_SHMEM_THPS, nr);
else
- __mod_lruvec_page_state(hpage, NR_FILE_THPS, nr);
+ __lruvec_stat_mod_folio(folio, NR_FILE_THPS, nr);
if (nr_none) {
- __mod_lruvec_page_state(hpage, NR_FILE_PAGES, nr_none);
+ __lruvec_stat_mod_folio(folio, NR_FILE_PAGES, nr_none);
/* nr_none is always 0 for non-shmem. */
- __mod_lruvec_page_state(hpage, NR_SHMEM, nr_none);
+ __lruvec_stat_mod_folio(folio, NR_SHMEM, nr_none);
}
/*
* Mark hpage as uptodate before inserting it into the page cache so
* that it isn't mistaken for an fallocated but unwritten page.
*/
- folio = page_folio(hpage);
folio_mark_uptodate(folio);
folio_ref_add(folio, HPAGE_PMD_NR - 1);
@@ -2148,7 +2148,7 @@ immap_locked:
/* Join all the small entries into a single multi-index entry. */
xas_set_order(&xas, start, HPAGE_PMD_ORDER);
- xas_store(&xas, hpage);
+ xas_store(&xas, folio);
WARN_ON_ONCE(xas_error(&xas));
xas_unlock_irq(&xas);
@@ -2159,7 +2159,7 @@ immap_locked:
retract_page_tables(mapping, start);
if (cc && !cc->is_khugepaged)
result = SCAN_PTE_MAPPED_HUGEPAGE;
- unlock_page(hpage);
+ folio_unlock(folio);
/*
* The collapse has succeeded, so free the old pages.
_
Patches currently in -mm which might be from willy@xxxxxxxxxxxxx are
buffer-return-bool-from-grow_dev_folio.patch
buffer-calculate-block-number-inside-folio_init_buffers.patch
buffer-fix-grow_buffers-for-block-size-page_size.patch
buffer-cast-block-to-loff_t-before-shifting-it.patch
buffer-fix-various-functions-for-block-size-page_size.patch
buffer-handle-large-folios-in-__block_write_begin_int.patch
buffer-fix-more-functions-for-block-size-page_size.patch
mm-convert-ksm_might_need_to_copy-to-work-on-folios.patch
mm-convert-ksm_might_need_to_copy-to-work-on-folios-fix.patch
mm-remove-pageanonexclusive-assertions-in-unuse_pte.patch
mm-convert-unuse_pte-to-use-a-folio-throughout.patch
mm-remove-some-calls-to-page_add_new_anon_rmap.patch
mm-remove-stale-example-from-comment.patch
mm-remove-references-to-page_add_new_anon_rmap-in-comments.patch
mm-convert-migrate_vma_insert_page-to-use-a-folio.patch
mm-convert-collapse_huge_page-to-use-a-folio.patch
mm-remove-page_add_new_anon_rmap-and-lru_cache_add_inactive_or_unevictable.patch
mm-return-the-folio-from-__read_swap_cache_async.patch
mm-pass-a-folio-to-__swap_writepage.patch
mm-pass-a-folio-to-swap_writepage_fs.patch
mm-pass-a-folio-to-swap_writepage_bdev_sync.patch
mm-pass-a-folio-to-swap_writepage_bdev_async.patch
mm-pass-a-folio-to-swap_readpage_fs.patch
mm-pass-a-folio-to-swap_readpage_bdev_sync.patch
mm-pass-a-folio-to-swap_readpage_bdev_async.patch
mm-convert-swap_page_sector-to-swap_folio_sector.patch
mm-convert-swap_readpage-to-swap_read_folio.patch
mm-remove-page_swap_info.patch
mm-return-a-folio-from-read_swap_cache_async.patch
mm-convert-swap_cluster_readahead-and-swap_vma_readahead-to-return-a-folio.patch
mm-convert-swap_cluster_readahead-and-swap_vma_readahead-to-return-a-folio-fix.patch
fs-remove-clean_page_buffers.patch
fs-convert-clean_buffers-to-take-a-folio.patch
fs-reduce-stack-usage-in-__mpage_writepage.patch
fs-reduce-stack-usage-in-do_mpage_readpage.patch
adfs-remove-writepage-implementation.patch
bfs-remove-writepage-implementation.patch
hfs-really-remove-hfs_writepage.patch
hfsplus-really-remove-hfsplus_writepage.patch
minix-remove-writepage-implementation.patch
ocfs2-remove-writepage-implementation.patch
sysv-remove-writepage-implementation.patch
ufs-remove-writepage-implementation.patch
fs-convert-block_write_full_page-to-block_write_full_folio.patch
fs-remove-the-bh_end_io-argument-from-__block_write_full_folio.patch
mm-remove-inc-dec-lruvec-page-state-functions.patch
slub-use-alloc_pages_node-in-alloc_slab_page.patch
slub-use-folio-apis-in-free_large_kmalloc.patch
slub-use-a-folio-in-__kmalloc_large_node.patch
mm-khugepaged-use-a-folio-more-in-collapse_file.patch
mm-memcontrol-remove-__mod_lruvec_page_state.patch
