The quilt patch titled
Subject: mm: convert migrate_vma_collect_pmd to use a folio
has been removed from the -mm tree. Its filename was
mm-convert-migrate_vma_collect_pmd-to-use-a-folio.patch
This patch was dropped because it was merged into the mm-stable branch
of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
------------------------------------------------------
From: "Matthew Wilcox (Oracle)" <willy@xxxxxxxxxxxxx>
Subject: mm: convert migrate_vma_collect_pmd to use a folio
Date: Tue, 26 Mar 2024 20:28:24 +0000
Convert the pmd directly to a folio and use it. Turns four calls to
compound_head() into one.
Link: https://lkml.kernel.org/r/20240326202833.523759-5-willy@xxxxxxxxxxxxx
Signed-off-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>
Reviewed-by: David Hildenbrand <david@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/migrate_device.c | 16 ++++++++--------
1 file changed, 8 insertions(+), 8 deletions(-)
--- a/mm/migrate_device.c~mm-convert-migrate_vma_collect_pmd-to-use-a-folio
+++ a/mm/migrate_device.c
@@ -71,7 +71,7 @@ again:
return migrate_vma_collect_hole(start, end, -1, walk);
if (pmd_trans_huge(*pmdp)) {
- struct page *page;
+ struct folio *folio;
ptl = pmd_lock(mm, pmdp);
if (unlikely(!pmd_trans_huge(*pmdp))) {
@@ -79,21 +79,21 @@ again:
goto again;
}
- page = pmd_page(*pmdp);
- if (is_huge_zero_page(page)) {
+ folio = pmd_folio(*pmdp);
+ if (is_huge_zero_folio(folio)) {
spin_unlock(ptl);
split_huge_pmd(vma, pmdp, addr);
} else {
int ret;
- get_page(page);
+ folio_get(folio);
spin_unlock(ptl);
- if (unlikely(!trylock_page(page)))
+ if (unlikely(!folio_trylock(folio)))
return migrate_vma_collect_skip(start, end,
walk);
- ret = split_huge_page(page);
- unlock_page(page);
- put_page(page);
+ ret = split_folio(folio);
+ folio_unlock(folio);
+ folio_put(folio);
if (ret)
return migrate_vma_collect_skip(start, end,
walk);
_
Patches currently in -mm which might be from willy@xxxxxxxxxxxxx are
doc-improve-the-description-of-__folio_mark_dirty.patch
buffer-add-kernel-doc-for-block_dirty_folio.patch
buffer-add-kernel-doc-for-try_to_free_buffers.patch
buffer-fix-__bread-and-__bread_gfp-kernel-doc.patch
buffer-add-kernel-doc-for-brelse-and-__brelse.patch
buffer-add-kernel-doc-for-bforget-and-__bforget.patch
buffer-improve-bdev_getblk-documentation.patch
doc-split-bufferrst-out-of-api-summaryrst.patch
doc-split-bufferrst-out-of-api-summaryrst-fix.patch
mm-memory-failure-remove-fsdax_pgoff-argument-from-__add_to_kill.patch
mm-memory-failure-pass-addr-to-__add_to_kill.patch
mm-return-the-address-from-page_mapped_in_vma.patch
mm-make-page_mapped_in_vma-conditional-on-config_memory_failure.patch
mm-memory-failure-convert-shake_page-to-shake_folio.patch
mm-convert-hugetlb_page_mapping_lock_write-to-folio.patch
mm-memory-failure-convert-memory_failure-to-use-a-folio.patch
mm-memory-failure-convert-hwpoison_user_mappings-to-take-a-folio.patch
mm-memory-failure-add-some-folio-conversions-to-unpoison_memory.patch
mm-memory-failure-use-folio-functions-throughout-collect_procs.patch
mm-memory-failure-pass-the-folio-to-collect_procs_ksm.patch
fscrypt-convert-bh_get_inode_and_lblk_num-to-use-a-folio.patch
f2fs-convert-f2fs_clear_page_cache_dirty_tag-to-use-a-folio.patch
memory-failure-remove-calls-to-page_mapping.patch
migrate-expand-the-use-of-folio-in-__migrate_device_pages.patch
userfault-expand-folio-use-in-mfill_atomic_install_pte.patch
mm-remove-page_mapping.patch
mm-remove-page_cache_alloc.patch
mm-remove-put_devmap_managed_page.patch
mm-convert-put_devmap_managed_page_refs-to-put_devmap_managed_folio_refs.patch
mm-remove-page_ref_sub_return.patch
gup-use-folios-for-gup_devmap.patch
mm-add-kernel-doc-for-folio_mark_accessed.patch
mm-remove-pagereferenced.patch
mm-simplify-thp_vma_allowable_order.patch
