linux-kernel - [PATCH 07/15] mm/z3fold: convert page to zpdesc in __release_z3fold

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Date: Fri, 21 Jun 2024 13:46:47 +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 07/15] mm/z3fold: convert page to zpdesc in __release_z3fold_page

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 c3c740b42052..afdf21024f83 100644
--- a/mm/z3fold.c
+++ b/mm/z3fold.c
@@ -441,12 +441,12 @@ static inline struct z3fold_pool *zhdr_to_pool(struct z3fold_header *zhdr)
 
 static void __release_z3fold_page(struct z3fold_header *zhdr, bool locked)
 {
-	struct page *page = virt_to_page(zhdr);
+	struct zpdesc *zpdesc = page_zpdesc(virt_to_page(zhdr));
 	struct z3fold_pool *pool = zhdr_to_pool(zhdr);
 
 	WARN_ON(!list_empty(&zhdr->buddy));
-	set_bit(PAGE_STALE, &page->private);
-	clear_bit(NEEDS_COMPACTING, &page->private);
+	set_bit(PAGE_STALE, &zpdesc->zppage_flag);
+	clear_bit(NEEDS_COMPACTING, &zpdesc->zppage_flag);
 	spin_lock(&pool->lock);
 	spin_unlock(&pool->lock);
 
-- 
2.43.0