Remove a call to PageKSM() by passing the folio containing tmp_page to
should_skip_rmap_item. Removes a hidden call to compound_head().
Signed-off-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>
---
mm/ksm.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/mm/ksm.c b/mm/ksm.c
index 19e17b228ae1..1b8b43dc6ba7 100644
--- a/mm/ksm.c
+++ b/mm/ksm.c
@@ -2402,10 +2402,10 @@ static unsigned int skip_age(rmap_age_t age)
/*
* Determines if a page should be skipped for the current scan.
*
- * @page: page to check
+ * @folio: folio containing the page to check
* @rmap_item: associated rmap_item of page
*/
-static bool should_skip_rmap_item(struct page *page,
+static bool should_skip_rmap_item(struct folio *folio,
struct ksm_rmap_item *rmap_item)
{
rmap_age_t age;
@@ -2418,7 +2418,7 @@ static bool should_skip_rmap_item(struct page *page,
* will essentially ignore them, but we still have to process them
* properly.
*/
- if (PageKsm(page))
+ if (folio_test_ksm(folio))
return false;
age = rmap_item->age;
@@ -2561,7 +2561,7 @@ static struct ksm_rmap_item *scan_get_next_rmap_item(struct page **page)
ksm_scan.rmap_list =
&rmap_item->rmap_list;
- if (should_skip_rmap_item(tmp_page, rmap_item)) {
+ if (should_skip_rmap_item(folio, rmap_item)) {
folio_put(folio);
goto next_page;
}
--
2.43.0
