From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 AB4A12C11FD for ; Tue, 14 Jul 2026 13:26:09 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784035572; cv=none; b=n35F5lFpQiZonFn3aUpH9IToe3nvADU4Edx79GAWjyTZH6H2/dHLyII0zJ1tBaZ0BgRxJFl/jl/vzVJTM3gf5Fpg06CNAIiDfs5vY5W7GmN3MGJ+35GRS4HvLjjgJE6XciMBUEo7mpAevDCAkXApY/nTyRk6WcJptKEs0LNyKrk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784035572; c=relaxed/simple; bh=3l7OxyZE/orSsj/IDr8B0gmy6Bh/UG5UFOLNyV+8B2g=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=u3z/Lwre1EsgQ8frQr3Zv0wBNzsgPO1XpV8NWvGQWRGDZwUDLmM9UP7aPRUJvuFwaDGPL9P/zz6WFbb5nc2FLeow+d8iIVZDAT/3BEqbLqFrUaiZzrD5Uh+ouVdC6J+O88J57J5VdjgS5rrTnu2hRAGp2bqL0a4Ne/kMzGz+afE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Z1XhDKT8; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="Z1XhDKT8" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7FE421F000E9; Tue, 14 Jul 2026 13:26:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1784035568; bh=1mQLTZWwP6nMInX5WTcyghl8Fqock2YYXubpJfFkSWk=; h=Date:Subject:To:Cc:References:From:In-Reply-To; b=Z1XhDKT87qBocQzpl60CD0aLeOnDf9acs+kQMWgukwr8tQ0psN4Bkv6tAD11itR9P iuLieA+4AEN/80Vk/BS3Z8C3vtQ630UrLaXEGohYcbTZUtAix0v3dwTj51vxwmX19G +9SGVmB/sy8yHokphiwWVGs1i/FEUScb1DinJVIMzjuqw/P0mqMz2y1qSW7q2BRUcg OHmwgZaSkTfXFbQbVu13v1QPY+pgY0hPZ+BAm2Zr2dhOdgywpvqbckr0vRa/oQpePc ws3/1jY8x+I3HwyCmdk+HQ81UJljfD8VltMEmKq8h7RSrezPEyOVNjqnqN850mf/+G sTcrXidnvmh/w== Message-ID: <5344474e-1584-48af-97f9-4a6a97057e9e@kernel.org> Date: Tue, 14 Jul 2026 15:26:05 +0200 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v3 2/2] mm/mm_slot.h: add comments for mm_slot_lookup/insert To: xu.xin16@zte.com.cn, akpm@linux-foundation.org, ljs@kernel.org, ziy@nvidia.com, baolin.wang@linux.alibaba.com, baohua@kernel.org, lance.yang@linux.dev, usama.arif@linux.dev, chengming.zhou@linux.dev, qi.zheng@linux.dev, npache@redhat.com, ryan.roberts@arm.com, dev.jain@arm.com Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, wang.yaxin@zte.com.cn References: <20260714092815120Wv-CFDlLKtsTmda--97Qw@zte.com.cn> From: "David Hildenbrand (Arm)" Content-Language: en-US Autocrypt: addr=david@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit On 7/14/26 03:28, xu.xin16@zte.com.cn wrote: > From: xu xin > > mm_slot_lookup() and mm_slot_insert() are the only helpers in > this header that are implemented as macros rather than static inline > functions. This may look inconsistent without explanation. > > Explain they must be macros because hash_for_each_possible() > needs the table as an array (for sizeof), not a pointer. > > Signed-off-by: xu xin > --- Acked-by: David Hildenbrand (Arm) -- Cheers, David