linux-kernel - [PATCH v5 06/10] mm/ksm: use ksm_get_folio in scan_get_next_rmap

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Message-ID: <20240411061713.1847574-7-alexs@kernel.org>
Date: Thu, 11 Apr 2024 14:17:07 +0800
From: alexs@...nel.org
To: Andrew Morton <akpm@...ux-foundation.org>,
	linux-mm@...ck.org,
	linux-kernel@...r.kernel.org,
	zik.eidus@...ellosystems.com,
	willy@...radead.org,
	aarcange@...hat.com,
	hughd@...gle.com,
	chrisw@...s-sol.org,
	david@...hat.com
Cc: "Alex Shi (tencent)" <alexs@...nel.org>,
	Izik Eidus <izik.eidus@...ellosystems.com>
Subject: [PATCH v5 06/10] mm/ksm: use ksm_get_folio in scan_get_next_rmap_item

From: "Alex Shi (tencent)" <alexs@...nel.org>

Save a compound calls.

Cc: Izik Eidus <izik.eidus@...ellosystems.com>
Cc: Matthew Wilcox <willy@...radead.org>
Cc: Andrea Arcangeli <aarcange@...hat.com>
Cc: Hugh Dickins <hughd@...gle.com>
Cc: Chris Wright <chrisw@...s-sol.org>
Signed-off-by: Alex Shi (tencent) <alexs@...nel.org>
Reviewed-by: David Hildenbrand <david@...hat.com>
---
 mm/ksm.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/mm/ksm.c b/mm/ksm.c
index 654400f993fc..b127d39c9af0 100644
--- a/mm/ksm.c
+++ b/mm/ksm.c
@@ -2611,14 +2611,14 @@ static struct ksm_rmap_item *scan_get_next_rmap_item(struct page **page)
 		 */
 		if (!ksm_merge_across_nodes) {
 			struct ksm_stable_node *stable_node, *next;
-			struct page *page;
+			struct folio *folio;
 
 			list_for_each_entry_safe(stable_node, next,
 						 &migrate_nodes, list) {
-				page = get_ksm_page(stable_node,
-						    GET_KSM_PAGE_NOLOCK);
-				if (page)
-					put_page(page);
+				folio = ksm_get_folio(stable_node,
+						      GET_KSM_PAGE_NOLOCK);
+				if (folio)
+					folio_put(folio);
 				cond_resched();
 			}
 		}
-- 
2.43.0