linux-kernel - [PATCH 08/15] mm/z3fold: use zpdesc free_pages

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Date: Fri, 21 Jun 2024 13:46:48 +0800
From: alexs@...nel.org
To: Vitaly Wool <vitaly.wool@...sulko.com>,
	Miaohe Lin <linmiaohe@...wei.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org,
	linux-mm@...ck.org,
	minchan@...nel.org,
	willy@...radead.org,
	senozhatsky@...omium.org,
	david@...hat.com,
	42.hyeyoo@...il.com
Cc: Alex Shi <alexs@...nel.org>
Subject: [PATCH 08/15] mm/z3fold: use zpdesc free_pages_work

From: Alex Shi <alexs@...nel.org>

The main purpose is converting page->private to zpdesc->zppage_flag.

Signed-off-by: Alex Shi <alexs@...nel.org>
---
 mm/z3fold.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/mm/z3fold.c b/mm/z3fold.c
index afdf21024f83..97580e2224c2 100644
--- a/mm/z3fold.c
+++ b/mm/z3fold.c
@@ -501,14 +501,14 @@ static void free_pages_work(struct work_struct *w)
 	while (!list_empty(&pool->stale)) {
 		struct z3fold_header *zhdr = list_first_entry(&pool->stale,
 						struct z3fold_header, buddy);
-		struct page *page = virt_to_page(zhdr);
+		struct zpdesc *zpdesc = page_zpdesc(virt_to_page(zhdr));
 
 		list_del(&zhdr->buddy);
-		if (WARN_ON(!test_bit(PAGE_STALE, &page->private)))
+		if (WARN_ON(!test_bit(PAGE_STALE, &zpdesc->zppage_flag)))
 			continue;
 		spin_unlock(&pool->stale_lock);
 		cancel_work_sync(&zhdr->work);
-		free_z3fold_page(page, false);
+		free_z3fold_page(zpdesc_page(zpdesc), false);
 		cond_resched();
 		spin_lock(&pool->stale_lock);
 	}
-- 
2.43.0