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Message-ID: <20240813084611.4122571-21-alexs@kernel.org>
Date: Tue, 13 Aug 2024 16:46:06 +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,
Yosry Ahmed <yosryahmed@...gle.com>,
nphamcs@...il.com
Cc: Alex Shi <alexs@...nel.org>
Subject: [PATCH v6 20/21] mm/zsmalloc: introduce zpdesc_clear_first() helper
From: Alex Shi <alexs@...nel.org>
Like the zpdesc_set_first(), introduce zpdesc_clear_first() helper for
ClearPagePrivate(), then clean up a 'struct page' usage in
reset_zpdesc().
Signed-off-by: Alex Shi <alexs@...nel.org>
---
mm/zsmalloc.c | 9 ++++++---
1 file changed, 6 insertions(+), 3 deletions(-)
diff --git a/mm/zsmalloc.c b/mm/zsmalloc.c
index 6e7cd5acf5e5..3dbe6bfa656b 100644
--- a/mm/zsmalloc.c
+++ b/mm/zsmalloc.c
@@ -253,6 +253,11 @@ static inline void zpdesc_set_first(struct zpdesc *zpdesc)
SetPagePrivate(zpdesc_page(zpdesc));
}
+static inline void zpdesc_clear_first(struct zpdesc *zpdesc)
+{
+ ClearPagePrivate(zpdesc_page(zpdesc));
+}
+
static inline void zpdesc_inc_zone_page_state(struct zpdesc *zpdesc)
{
inc_zone_page_state(zpdesc_page(zpdesc), NR_ZSPAGES);
@@ -838,10 +843,8 @@ static inline bool obj_allocated(struct zpdesc *zpdesc, void *obj,
static void reset_zpdesc(struct zpdesc *zpdesc)
{
- struct page *page = zpdesc_page(zpdesc);
-
__zpdesc_clear_movable(zpdesc);
- ClearPagePrivate(page);
+ zpdesc_clear_first(zpdesc);
zpdesc->zspage = NULL;
zpdesc->next = NULL;
reset_first_obj_offset(zpdesc);
--
2.43.0
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