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-rw-r--r--include/linux/page-flags.h5
-rw-r--r--mm/rmap.c2
-rw-r--r--mm/vmscan.c5
3 files changed, 8 insertions, 4 deletions
diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h
index f7a0e4af0c73..415e9f2ef616 100644
--- a/include/linux/page-flags.h
+++ b/include/linux/page-flags.h
@@ -724,6 +724,11 @@ static __always_inline bool folio_test_anon(const struct folio *folio)
return ((unsigned long)folio->mapping & FOLIO_MAPPING_ANON) != 0;
}
+static __always_inline bool folio_test_lazyfree(const struct folio *folio)
+{
+ return folio_test_anon(folio) && !folio_test_swapbacked(folio);
+}
+
static __always_inline bool PageAnonNotKsm(const struct page *page)
{
unsigned long flags = (unsigned long)page_folio(page)->mapping;
diff --git a/mm/rmap.c b/mm/rmap.c
index 8f08090d7eb9..5fd22ba59d35 100644
--- a/mm/rmap.c
+++ b/mm/rmap.c
@@ -2060,7 +2060,7 @@ static bool try_to_unmap_one(struct folio *folio, struct vm_area_struct *vma,
}
if (!pvmw.pte) {
- if (folio_test_anon(folio) && !folio_test_swapbacked(folio)) {
+ if (folio_test_lazyfree(folio)) {
if (unmap_huge_pmd_locked(vma, pvmw.address, pvmw.pmd, folio))
goto walk_done;
/*
diff --git a/mm/vmscan.c b/mm/vmscan.c
index 031c5c035a82..d531040a3593 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -963,8 +963,7 @@ static void folio_check_dirty_writeback(struct folio *folio,
* They could be mistakenly treated as file lru. So further anon
* test is needed.
*/
- if (!folio_is_file_lru(folio) ||
- (folio_test_anon(folio) && !folio_test_swapbacked(folio))) {
+ if (!folio_is_file_lru(folio) || folio_test_lazyfree(folio)) {
*dirty = false;
*writeback = false;
return;
@@ -1508,7 +1507,7 @@ retry:
}
}
- if (folio_test_anon(folio) && !folio_test_swapbacked(folio)) {
+ if (folio_test_lazyfree(folio)) {
/* follow __remove_mapping for reference */
if (!folio_ref_freeze(folio, 1))
goto keep_locked;