From nobody Fri Dec 19 12:13:20 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 92C38383B1 for ; Wed, 3 Jul 2024 04:02:10 +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=1719979330; cv=none; b=itzv8LVVLYIcE6M/Avv4TtKNWxrH9PHIroTq1qN30xMARW6U1iuGY+/d1wRd2Wb3hfGd4Mhn7362T6P2O/BG+NMPUEF+RqE+L+1rcHkljYHLzsDJGBS2m/JijSdPjJTJxPDkdj+1wCKyPc/saBOjIfMhW7Mv6l7UonA3mTo5Myg= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1719979330; c=relaxed/simple; bh=uH0rZNnpHFMljEmSyKQuSSlLph2dNP0xTWvseJvNDaY=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=HnS+4vlF/RwNK7DhdeNVgCB8KPKwpC+Z1lDIXstI8Rg5ggxDnpLaraxyrLRsqp/E1I6TsOa+n3m7WeTqAcgdSvI0Pe0+fZ3rMBE+ZJ+CyyRtlK0SoLfWJGaS3Yevx14lH5hhfqNs7Nnh/RFEkwfON6p0KriH8gK2tUkXOP8OF84= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=iPsY0Brd; 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="iPsY0Brd" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2E17BC4AF0A; Wed, 3 Jul 2024 04:02:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1719979330; bh=uH0rZNnpHFMljEmSyKQuSSlLph2dNP0xTWvseJvNDaY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=iPsY0Brd5KWtyIOk5fV/0otAMuF46d4KG5B5pddwxSDNlJ1E0cbaAnUHd208Zws0d 9GHVhVF88u6OFKosO7B9jELp3CHwrLGdn4h4C4xb34PtLyYwVbQV+IsjoAXADnV9j9 ZffY97ScQAwMreWa3NmKgcpzng+WKLp1IgAjr1hdxnh4yioFj0tdWX3klI0o5/wT3s XSD0p939k4/5df5GCsmd/HriGXYfyFLk0zojxelaHRW2zZ1egLtRTBjYri2bNAjJLG 3ywNEDpuwtzOPd+oo+1gxRI63Ppyldz7y+1CeuJAmASlFlF6pBtMSPY1r+x5RnQZg2 zkf3T4L1vs6PA== 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 v2 16/20] mm/zsmalloc: convert SetZsPageMovable and remove unused funcs Date: Wed, 3 Jul 2024 12:06:06 +0800 Message-ID: <20240703040613.681396-17-alexs@kernel.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240703040613.681396-1-alexs@kernel.org> References: <20240703040613.681396-1-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 458ad696b473..8b713ac03902 100644 --- a/mm/zsmalloc.c +++ b/mm/zsmalloc.c @@ -468,11 +468,6 @@ 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 int is_first_zpdesc(struct zpdesc *zpdesc) { return PagePrivate(zpdesc_page(zpdesc)); @@ -489,14 +484,6 @@ 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; @@ -787,16 +774,6 @@ 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); @@ -1970,13 +1947,13 @@ 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 2.43.0