From nobody Sun Feb 8 20:33:15 2026 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 6DC1C183CDD for ; Tue, 13 Aug 2024 08:42:25 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1723538545; cv=none; b=nRARbZmHf9fKAgI4RfjFKCJ2cSjsBaN7B3v/37x7kpijOS4JvfjiAh+c2Bmh3884/WfPk0AOqT8Lgw1Tqg9tAQyOxMjYLFL3uH6XkJ9jz5paZsu7ZqVJ27Rr9ygc7Jl6tIeu73U5K9qi5e6e0xGpos7emdtd4fMOqPsvgVUeDcU= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1723538545; c=relaxed/simple; bh=GGradnuK41+byBnHyefAqZD3LeHddFsDEO4CJxk+f0E=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=haCNPfejcpiKYo+PZVJuS/d80WlRoWb5meO684XTVfCa0+iOM8OnUr2EiABDbmesvmmsGWm4M70TsNC2CblvdIUP5kpKt95dd3HK1OgglsUjHeRelMNTYR8404ZTkzC4QuZfFZkyL2qYK+m79LCM1kyHvRRP7ITpC7Out+rZ4mg= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=mejI+7CX; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="mejI+7CX" Received: by smtp.kernel.org (Postfix) with ESMTPSA id D7BD2C4AF11; Tue, 13 Aug 2024 08:42:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1723538545; bh=GGradnuK41+byBnHyefAqZD3LeHddFsDEO4CJxk+f0E=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=mejI+7CXbaNN6QrWv+gyGHDhIeialjnXVUEkoTuuLiEMeYDjaTjw2VDn0SOFfEsh+ vkOy9tq9upX8uw+PGZwrRA7TL02hSe/SSLQu9ho+WBZ/gGhSAi0deOsMzgTWJj0qFK bAPIKaZJNX23wmCL/wjJgJyg+taUjPfBiJicIxiIJnRybb3u38WhJyPrZjzcKFdfnY dJhLNNOuTQDiHAN8zzMxGCNabpnbvFHoiTF8PrCj8dp/ZbafQ/mgFOcm1LRBCL0w4N TAkESIteUK13GxF+JSJWpscWFt5ewHxF8BP4wjSjo24OLkNaugLTprwReAlL22HdVS 6lhrf5QpTGRjQ== From: alexs@kernel.org To: Vitaly Wool , Miaohe Lin , Andrew Morton , linux-kernel@vger.kernel.org, linux-mm@kvack.org, minchan@kernel.org, willy@infradead.org, senozhatsky@chromium.org, david@redhat.com, 42.hyeyoo@gmail.com, Yosry Ahmed , nphamcs@gmail.com Cc: Alex Shi Subject: [PATCH v6 20/21] mm/zsmalloc: introduce zpdesc_clear_first() helper Date: Tue, 13 Aug 2024 16:46:06 +0800 Message-ID: <20240813084611.4122571-21-alexs@kernel.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240813084611.4122571-1-alexs@kernel.org> References: <20240813084611.4122571-1-alexs@kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Alex Shi 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 --- 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 *zpd= esc) SetPagePrivate(zpdesc_page(zpdesc)); } =20 +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, =20 static void reset_zpdesc(struct zpdesc *zpdesc) { - struct page *page =3D zpdesc_page(zpdesc); - __zpdesc_clear_movable(zpdesc); - ClearPagePrivate(page); + zpdesc_clear_first(zpdesc); zpdesc->zspage =3D NULL; zpdesc->next =3D NULL; reset_first_obj_offset(zpdesc); --=20 2.43.0