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authorMatthew Wilcox (Oracle) <willy@infradead.org>2024-03-26 23:28:24 +0300
committerAndrew Morton <akpm@linux-foundation.org>2024-04-26 06:56:19 +0300
commitb002a7b0a58aceaed0e3c5dd80d6f549df6490b2 (patch)
tree6674d9230ce88a4cc505b70032fe62ce0f445fb2 /mm/migrate_device.c
parente06d03d5590ae1c257b8aa2cfbfe6765e0755c14 (diff)
downloadlinux-b002a7b0a58aceaed0e3c5dd80d6f549df6490b2.tar.xz
mm: convert migrate_vma_collect_pmd to use a folio
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@infradead.org Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org> Reviewed-by: David Hildenbrand <david@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm/migrate_device.c')
-rw-r--r--mm/migrate_device.c16
1 files changed, 8 insertions, 8 deletions
diff --git a/mm/migrate_device.c b/mm/migrate_device.c
index b6c27c76e1a0..d40b46ae9d65 100644
--- a/mm/migrate_device.c
+++ b/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);