From nobody Fri Dec 19 03:43:23 2025 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 EF02715FA92 for ; Mon, 2 Sep 2024 07:17:28 +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=1725261449; cv=none; b=n+hWSlsobLG5V+k/giI4NTa1MOwwEOUvU+RDDRfLgi315/THfRxb8jMU9c0+4IN/E5vfsnKoX2nO2QPkl9J1oOh3xjpZv+MNIHLABEISzCnU6bCwzbS089b0BcbeTUFX2aXZv60EbpWkWGPsR/5rekovfF7YkXy9/iqglC+C5OE= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725261449; c=relaxed/simple; bh=JuDze2waT5auO9Z7Ml30M0i2Ht/5hJoDWbD0pOFWjSk=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=VwjYlKiRU35iYNDO/mAbY5FYa6aGIz+V+MzMcVBKq+L6RI5cg8PD2f/vtDsBfscMjEa1Re+X8lnL6qsqco9cTz2PUHVvJuABqTF66NUp7yTjQntAlhkz+OSecQyihkP1l4m+BlbpmDBsZWc63OooGVwkAiQKr/8dV40jmRCtwoA= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=ERPokKEV; 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="ERPokKEV" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 99803C4CEC4; Mon, 2 Sep 2024 07:17:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1725261448; bh=JuDze2waT5auO9Z7Ml30M0i2Ht/5hJoDWbD0pOFWjSk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ERPokKEVB7btxb1uvOqV12Md3j6Hiln/4Oe6BMGQ0KkLLvi6CvWIloMINQAnte7U7 elqpjG8Xnkla09nh2xTF0/JOW/ym6N4MKk36KVw3BiAIRpJZ9pcJMC3UsMGtOdlnqI if720f3F4KWiQWy84ic+ZksiAvMwBi1dSI/sAKv7FheYygvZZ+iDYNfsHbex8/h9qJ y/OXCEYiHNDN6tbacLZFXUhsNGNqvdN/w6Y82L/yLEqJP6G69cqslsWgZsIh1UUNOB a8U1Xqnj4M60MqOk0doSkUH2avB5I+3G/EckGtiFPlz4Bh+ZpGMsQK7m4iw2GeKdmj 6MeoSLhIzMHxA== 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 v7 16/21] mm/zsmalloc: convert SetZsPageMovable and remove unused funcs Date: Mon, 2 Sep 2024 15:21:27 +0800 Message-ID: <20240902072136.578720-17-alexs@kernel.org> X-Mailer: git-send-email 2.46.0 In-Reply-To: <20240902072136.578720-1-alexs@kernel.org> References: <20240902072136.578720-1-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 Convert SetZsPageMovable() to use zpdesc, and then remove unused funcs: get_next_page()/get_first_page()/is_first_page(). Originally-by: Hyeonggon Yoo <42.hyeyoo@gmail.com> Signed-off-by: Alex Shi --- mm/zsmalloc.c | 33 +++++---------------------------- 1 file changed, 5 insertions(+), 28 deletions(-) diff --git a/mm/zsmalloc.c b/mm/zsmalloc.c index d9251450ec60..3b98daa63ece 100644 --- a/mm/zsmalloc.c +++ b/mm/zsmalloc.c @@ -462,11 +462,6 @@ static DEFINE_PER_CPU(struct mapping_area, zs_map_area= ) =3D { .lock =3D INIT_LOCAL_LOCK(lock), }; =20 -static __maybe_unused int is_first_page(struct page *page) -{ - return PagePrivate(page); -} - static inline bool is_first_zpdesc(struct zpdesc *zpdesc) { return PagePrivate(zpdesc_page(zpdesc)); @@ -483,14 +478,6 @@ static inline void mod_zspage_inuse(struct zspage *zsp= age, int val) zspage->inuse +=3D val; } =20 -static inline struct page *get_first_page(struct zspage *zspage) -{ - struct page *first_page =3D zpdesc_page(zspage->first_zpdesc); - - VM_BUG_ON_PAGE(!is_first_page(first_page), first_page); - return first_page; -} - static struct zpdesc *get_first_zpdesc(struct zspage *zspage) { struct zpdesc *first_zpdesc =3D zspage->first_zpdesc; @@ -775,16 +762,6 @@ static struct zspage *get_zspage(struct zpdesc *zpdesc) return zspage; } =20 -static struct page *get_next_page(struct page *page) -{ - struct zspage *zspage =3D get_zspage(page_zpdesc(page)); - - if (unlikely(ZsHugePage(zspage))) - return NULL; - - return (struct page *)page->index; -} - static struct zpdesc *get_next_zpdesc(struct zpdesc *zpdesc) { struct zspage *zspage =3D get_zspage(zpdesc); @@ -1957,13 +1934,13 @@ static void init_deferred_free(struct zs_pool *pool) =20 static void SetZsPageMovable(struct zs_pool *pool, struct zspage *zspage) { - struct page *page =3D get_first_page(zspage); + struct zpdesc *zpdesc =3D get_first_zpdesc(zspage); =20 do { - WARN_ON(!trylock_page(page)); - __SetPageMovable(page, &zsmalloc_mops); - unlock_page(page); - } while ((page =3D get_next_page(page)) !=3D NULL); + WARN_ON(!zpdesc_trylock(zpdesc)); + __zpdesc_set_movable(zpdesc, &zsmalloc_mops); + zpdesc_unlock(zpdesc); + } while ((zpdesc =3D get_next_zpdesc(zpdesc)) !=3D NULL); } #else static inline void zs_flush_migration(struct zs_pool *pool) { } --=20 2.46.0