From nobody Fri Dec 19 12:13:19 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 0461713D88D for ; Wed, 3 Jul 2024 04:01:27 +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=1719979288; cv=none; b=AmprXsSIPGog62Z/7wsh6KD1BCgc3sSleZAtNYRWo8RSYS/G02p39dWabLOKK4Rq3XbE7SJ1D13eOlbexhdzw7LflhArNikh+MaDQeDoWXnwCQmuzbueemhXotSBW2KHuEU55K4mgQS30Qe6TrtZQ1CPItO64+agVwKIeH7m13Y= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1719979288; c=relaxed/simple; bh=OUw0L1+EEkxStexhrY6FwqktPPZ5HwiknqjqfzU6PXk=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=i+uakoV44hfjSeVNRG4ol7IXRX3um7foebtV2OgJlKg4Z21lCRqH46jVMnoLeCi7ElFnLQJYQdoBsz6GuyyqxKAELsBkfqEhTAFKCDShyyip8ux8/PLsfRrRgXwzjHb7lbzFI0+4PM5FQ8MpTki1RR/WuXQtaDhtIKvD6WqNi5Q= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Ygl1r0eG; 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="Ygl1r0eG" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 69877C4AF0E; Wed, 3 Jul 2024 04:01:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1719979287; bh=OUw0L1+EEkxStexhrY6FwqktPPZ5HwiknqjqfzU6PXk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Ygl1r0eGWf9A8ASCCyxxwaRcR/wNniNavWp/6Cp1Fb7i1Ie3OgUnLu+kb/x83qU4R Rtf1OTjVxaWrDtnC9EgWP60cL+fwY6UmOlhSy0g4md3TDCs0I58Xpeo2fYMQQIC7oa mWGA7aDYGYwcXPiw7U3+CqO0HQFqXZbuFcR1HrgtLk0mCgqKSqgQeVqgpEC7iJDFyx Q4W+t234bRMiEvLqUICPWSBBwtKPv/pZtcYWjGAGrHvheKJd7nLq5kdFh/6V+jbw9b EBrXUKpPCHP3lHr26GXnoTiIoogZTVS7XgIzHuJjYkhr/Qv66r8sBvtyhi/jVwGPTl 5r1Wts9gy5n2w== 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 05/20] mm/zsmalloc: convert obj_malloc() to use zpdesc Date: Wed, 3 Jul 2024 12:05:55 +0800 Message-ID: <20240703040613.681396-6-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: Hyeonggon Yoo <42.hyeyoo@gmail.com> Use get_first_zpdesc/get_next_zpdesc to replace get_first_page/get_next_page. no functional change. Signed-off-by: Hyeonggon Yoo <42.hyeyoo@gmail.com> Signed-off-by: Alex Shi --- mm/zsmalloc.c | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-) diff --git a/mm/zsmalloc.c b/mm/zsmalloc.c index 149fe2b332cb..bbc165cb587d 100644 --- a/mm/zsmalloc.c +++ b/mm/zsmalloc.c @@ -1322,12 +1322,12 @@ EXPORT_SYMBOL_GPL(zs_huge_class_size); static unsigned long obj_malloc(struct zs_pool *pool, struct zspage *zspage, unsigned long handle) { - int i, nr_page, offset; + int i, nr_zpdesc, offset; unsigned long obj; struct link_free *link; struct size_class *class; =20 - struct page *m_page; + struct zpdesc *m_zpdesc; unsigned long m_offset; void *vaddr; =20 @@ -1335,14 +1335,14 @@ static unsigned long obj_malloc(struct zs_pool *poo= l, obj =3D get_freeobj(zspage); =20 offset =3D obj * class->size; - nr_page =3D offset >> PAGE_SHIFT; + nr_zpdesc =3D offset >> PAGE_SHIFT; m_offset =3D offset_in_page(offset); - m_page =3D get_first_page(zspage); + m_zpdesc =3D get_first_zpdesc(zspage); =20 - for (i =3D 0; i < nr_page; i++) - m_page =3D get_next_page(m_page); + for (i =3D 0; i < nr_zpdesc; i++) + m_zpdesc =3D get_next_zpdesc(m_zpdesc); =20 - vaddr =3D kmap_atomic(m_page); + vaddr =3D zpdesc_kmap_atomic(m_zpdesc); link =3D (struct link_free *)vaddr + m_offset / sizeof(*link); set_freeobj(zspage, link->next >> OBJ_TAG_BITS); if (likely(!ZsHugePage(zspage))) @@ -1355,7 +1355,7 @@ static unsigned long obj_malloc(struct zs_pool *pool, kunmap_atomic(vaddr); mod_zspage_inuse(zspage, 1); =20 - obj =3D location_to_obj(m_page, obj); + obj =3D location_to_obj(zpdesc_page(m_zpdesc), obj); record_obj(handle, obj); =20 return obj; --=20 2.43.0